Vulnerabilities > CVE-2019-11741 - Cross-site Scripting vulnerability in Mozilla Firefox

047910
CVSS 4.3 - MEDIUM
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
PARTIAL
Availability impact
NONE
network
mozilla
CWE-79
nessus
NVD
Published: 2019-09-27
Updated: 2019-10-02

Summary

A compromised sandboxed content process can perform a Universal Cross-site Scripting (UXSS) attack on content from any site it can cause to be loaded in the same process. Because addons.mozilla.org and accounts.firefox.com have close ties to the Firefox product, malicious manipulation of these sites within the browser can potentially be used to modify a user's Firefox configuration. These two sites will now be isolated into their own process and not allowed to be loaded in a standard content process. This vulnerability affects Firefox < 69.

Vulnerable Configurations

Part Description Count
Application
Mozilla
479

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Cross Site Scripting through Log Files
    An attacker may leverage a system weakness where logs are susceptible to log injection to insert scripts into the system's logs. If these logs are later viewed by an administrator through a thin administrative interface and the log data is not properly HTML encoded before being written to the page, the attackers' scripts stored in the log will be executed in the administrative interface with potentially serious consequences. This attack pattern is really a combination of two other attack patterns: log injection and stored cross site scripting.
  • Embedding Scripts in Non-Script Elements
    This attack is a form of Cross-Site Scripting (XSS) where malicious scripts are embedded in elements that are not expected to host scripts such as image tags (<img>), comments in XML documents (< !-CDATA->), etc. These tags may not be subject to the same input validation, output validation, and other content filtering and checking routines, so this can create an opportunity for an attacker to tunnel through the application's elements and launch a XSS attack through other elements. As with all remote attacks, it is important to differentiate the ability to launch an attack (such as probing an internal network for unpatched servers) and the ability of the remote attacker to collect and interpret the output of said attack.
  • Embedding Scripts within Scripts
    An attack of this type exploits a programs' vulnerabilities that are brought on by allowing remote hosts to execute scripts. The attacker leverages this capability to execute scripts to execute his/her own script by embedding it within other scripts that the target software is likely to execute. The attacker must have the ability to inject script into script that is likely to be executed. If this is done, then the attacker can potentially launch a variety of probes and attacks against the web server's local environment, in many cases the so-called DMZ, back end resources the web server can communicate with, and other hosts. With the proliferation of intermediaries, such as Web App Firewalls, network devices, and even printers having JVMs and Web servers, there are many locales where an attacker can inject malicious scripts. Since this attack pattern defines scripts within scripts, there are likely privileges to execute said attack on the host. Of course, these attacks are not solely limited to the server side, client side scripts like Ajax and client side JavaScript can contain malicious scripts as well. In general all that is required is for there to be sufficient privileges to execute a script, but not protected against writing.
  • Cross-Site Scripting in Error Pages
    An attacker distributes a link (or possibly some other query structure) with a request to a third party web server that is malformed and also contains a block of exploit code in order to have the exploit become live code in the resulting error page. When the third party web server receives the crafted request and notes the error it then creates an error message that echoes the malformed message, including the exploit. Doing this converts the exploit portion of the message into to valid language elements that are executed by the viewing browser. When a victim executes the query provided by the attacker the infected error message error message is returned including the exploit code which then runs in the victim's browser. XSS can result in execution of code as well as data leakage (e.g. session cookies can be sent to the attacker). This type of attack is especially dangerous since the exploit appears to come from the third party web server, who the victim may trust and hence be more vulnerable to deception.
  • Cross-Site Scripting Using Alternate Syntax
    The attacker uses alternate forms of keywords or commands that result in the same action as the primary form but which may not be caught by filters. For example, many keywords are processed in a case insensitive manner. If the site's web filtering algorithm does not convert all tags into a consistent case before the comparison with forbidden keywords it is possible to bypass filters (e.g., incomplete black lists) by using an alternate case structure. For example, the "script" tag using the alternate forms of "Script" or "ScRiPt" may bypass filters where "script" is the only form tested. Other variants using different syntax representations are also possible as well as using pollution meta-characters or entities that are eventually ignored by the rendering engine. The attack can result in the execution of otherwise prohibited functionality.

Nessus

  • NASL familyFreeBSD Local Security Checks
    NASL idFREEBSD_PKG_05463E0AABD34FA4BD5FCD5ED132D4C6.NASL
    descriptionMozilla Foundation reports : CVE-2019-11751: Malicious code execution through command line parameters CVE-2019-11746: Use-after-free while manipulating video CVE-2019-11744: XSS by breaking out of title and textarea elements using innerHTML CVE-2019-11742: Same-origin policy violation with SVG filters and canvas to steal cross-origin images CVE-2019-11736: File manipulation and privilege escalation in Mozilla Maintenance Service CVE-2019-11753: Privilege escalation with Mozilla Maintenance Service in custom Firefox installation location CVE-2019-11752: Use-after-free while extracting a key value in IndexedDB CVE-2019-9812: Sandbox escape through Firefox Sync CVE-2019-11741: Isolate addons.mozilla.org and accounts.firefox.com CVE-2019-11743: Cross-origin access to unload event attributes CVE-2019-11748: Persistence of WebRTC permissions in a third party context CVE-2019-11749: Camera information available without prompting using getUserMedia CVE-2019-5849: Out-of-bounds read in Skia CVE-2019-11750: Type confusion in Spidermonkey CVE-2019-11737: Content security policy directives ignore port and path if host is a wildcard CVE-2019-11738: Content security policy bypass through hash-based sources in directives CVE-2019-11747:
    last seen2020-06-01
    modified2020-06-02
    plugin id128491
    published2019-09-04
    reporterThis script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/128491
    titleFreeBSD : mozilla -- multiple vulnerabilities (05463e0a-abd3-4fa4-bd5f-cd5ed132d4c6)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2019 Jacques Vidrine and contributors
#
# Redistribution and use in source (VuXML) and 'compiled' forms (SGML,
# HTML, PDF, PostScript, RTF and so forth) with or without modification,
# are permitted provided that the following conditions are met:
# 1. Redistributions of source code (VuXML) must retain the above
#    copyright notice, this list of conditions and the following
#    disclaimer as the first lines of this file unmodified.
# 2. Redistributions in compiled form (transformed to other DTDs,
#    published online in any format, converted to PDF, PostScript,
#    RTF and other formats) must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer
#    in the documentation and/or other materials provided with the
#    distribution.
# 
# THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

include("compat.inc");

if (description)
{
  script_id(128491);
  script_version("1.4");
  script_cvs_date("Date: 2019/12/31");

  script_cve_id("CVE-2019-11734", "CVE-2019-11735", "CVE-2019-11736", "CVE-2019-11737", "CVE-2019-11738", "CVE-2019-11740", "CVE-2019-11741", "CVE-2019-11742", "CVE-2019-11743", "CVE-2019-11744", "CVE-2019-11746", "CVE-2019-11747", "CVE-2019-11748", "CVE-2019-11749", "CVE-2019-11750", "CVE-2019-11751", "CVE-2019-11752", "CVE-2019-11753", "CVE-2019-5849", "CVE-2019-9812");

  script_name(english:"FreeBSD : mozilla -- multiple vulnerabilities (05463e0a-abd3-4fa4-bd5f-cd5ed132d4c6)");
  script_summary(english:"Checks for updated packages in pkg_info output");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote FreeBSD host is missing one or more security-related
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Mozilla Foundation reports :

CVE-2019-11751: Malicious code execution through command line
parameters

CVE-2019-11746: Use-after-free while manipulating video

CVE-2019-11744: XSS by breaking out of title and textarea elements
using innerHTML

CVE-2019-11742: Same-origin policy violation with SVG filters and
canvas to steal cross-origin images

CVE-2019-11736: File manipulation and privilege escalation in Mozilla
Maintenance Service

CVE-2019-11753: Privilege escalation with Mozilla Maintenance Service
in custom Firefox installation location

CVE-2019-11752: Use-after-free while extracting a key value in
IndexedDB

CVE-2019-9812: Sandbox escape through Firefox Sync

CVE-2019-11741: Isolate addons.mozilla.org and accounts.firefox.com

CVE-2019-11743: Cross-origin access to unload event attributes

CVE-2019-11748: Persistence of WebRTC permissions in a third party
context

CVE-2019-11749: Camera information available without prompting using
getUserMedia

CVE-2019-5849: Out-of-bounds read in Skia

CVE-2019-11750: Type confusion in Spidermonkey

CVE-2019-11737: Content security policy directives ignore port and
path if host is a wildcard

CVE-2019-11738: Content security policy bypass through hash-based
sources in directives

CVE-2019-11747: 'Forget about this site' removes sites from pre-loaded
HSTS list

CVE-2019-11734: Memory safety bugs fixed in Firefox 69

CVE-2019-11735: Memory safety bugs fixed in Firefox 69 and Firefox ESR
68.1

CVE-2019-11740: Memory safety bugs fixed in Firefox 69, Firefox ESR
68.1, and Firefox ESR 60.9"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.mozilla.org/security/advisories/mfsa2019-25/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.mozilla.org/security/advisories/mfsa2019-26/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.mozilla.org/security/advisories/mfsa2019-27/"
  );
  # https://vuxml.freebsd.org/freebsd/05463e0a-abd3-4fa4-bd5f-cd5ed132d4c6.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?3895b9cc"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-11752");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:firefox");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:firefox-esr");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:libxul");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:linux-firefox");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:linux-seamonkey");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:linux-thunderbird");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:seamonkey");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:thunderbird");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:waterfox");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/09/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/04");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"FreeBSD Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info");

  exit(0);
}


include("audit.inc");
include("freebsd_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD");
if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (pkg_test(save_report:TRUE, pkg:"firefox<69.0,1")) flag++;
if (pkg_test(save_report:TRUE, pkg:"waterfox<56.2.14")) flag++;
if (pkg_test(save_report:TRUE, pkg:"seamonkey<2.53.0")) flag++;
if (pkg_test(save_report:TRUE, pkg:"linux-seamonkey<2.53.0")) flag++;
if (pkg_test(save_report:TRUE, pkg:"firefox-esr>=61.0,1<68.1.0,1")) flag++;
if (pkg_test(save_report:TRUE, pkg:"firefox-esr<60.9.0,1")) flag++;
if (pkg_test(save_report:TRUE, pkg:"linux-firefox>=61.0,2<68.1.0,2")) flag++;
if (pkg_test(save_report:TRUE, pkg:"linux-firefox<60.9.0,2")) flag++;
if (pkg_test(save_report:TRUE, pkg:"libxul>=61.0<68.1.0")) flag++;
if (pkg_test(save_report:TRUE, pkg:"libxul<60.9.0")) flag++;
if (pkg_test(save_report:TRUE, pkg:"thunderbird>=61.0<68.1.0")) flag++;
if (pkg_test(save_report:TRUE, pkg:"thunderbird<60.9.0")) flag++;
if (pkg_test(save_report:TRUE, pkg:"linux-thunderbird>=61.0<68.1.0")) flag++;
if (pkg_test(save_report:TRUE, pkg:"linux-thunderbird<60.9.0")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:pkg_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
  • NASL familyWindows
    NASL idMOZILLA_FIREFOX_69_0.NASL
    descriptionThe version of Firefox installed on the remote Windows host is prior to 69.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2019-25 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application
    last seen2020-06-01
    modified2020-06-02
    plugin id128525
    published2019-09-05
    reporterThis script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/128525
    titleMozilla Firefox < 69.0
    code
    #
# (C) Tenable Network Security, Inc.
#

# The descriptive text and package checks in this plugin were
# extracted from Mozilla Foundation Security Advisory mfsa2019-25.
# The text itself is copyright (C) Mozilla Foundation.


include("compat.inc");

if (description)
{
  script_id(128525);
  script_version("1.8");
  script_cvs_date("Date: 2019/11/08");

  script_cve_id(
    "CVE-2019-5849",
    "CVE-2019-9812",
    "CVE-2019-11734",
    "CVE-2019-11735",
    "CVE-2019-11736",
    "CVE-2019-11737",
    "CVE-2019-11738",
    "CVE-2019-11740",
    "CVE-2019-11741",
    "CVE-2019-11742",
    "CVE-2019-11743",
    "CVE-2019-11744",
    "CVE-2019-11746",
    "CVE-2019-11747",
    "CVE-2019-11748",
    "CVE-2019-11749",
    "CVE-2019-11750",
    "CVE-2019-11751",
    "CVE-2019-11752",
    "CVE-2019-11753"
  );
  script_xref(name:"MFSA", value:"2019-25");

  script_name(english:"Mozilla Firefox < 69.0");
  script_summary(english:"Checks the version of Firefox.");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote Windows host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Firefox installed on the remote Windows host is prior to 69.0. It is, therefore, affected by multiple
vulnerabilities as referenced in the mfsa2019-25 advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's
self-reported version number.");
  script_set_attribute(attribute:"see_also", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Firefox version 69.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-11752");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/09/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/05");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mozilla:firefox");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("mozilla_org_installed.nasl");
  script_require_keys("Mozilla/Firefox/Version");

  exit(0);
}

include('mozilla_version.inc');

installs = get_kb_list('SMB/Mozilla/Firefox/*');
if (isnull(installs)) audit(AUDIT_NOT_INST, 'Firefox');

mozilla_check_version(installs:installs, product:'firefox', esr:FALSE, fix:'69.0', severity:SECURITY_HOLE);
  • NASL familyMacOS X Local Security Checks
    NASL idMACOS_FIREFOX_69_0.NASL
    descriptionThe version of Firefox installed on the remote macOS or Mac OS X host is prior to 69.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2019-25 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application
    last seen2020-06-01
    modified2020-06-02
    plugin id128524
    published2019-09-05
    reporterThis script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/128524
    titleMozilla Firefox < 69.0
    code
    #
# (C) Tenable Network Security, Inc.
#

# The descriptive text and package checks in this plugin were
# extracted from Mozilla Foundation Security Advisory mfsa2019-25.
# The text itself is copyright (C) Mozilla Foundation.


include("compat.inc");

if (description)
{
  script_id(128524);
  script_version("1.8");
  script_cvs_date("Date: 2019/11/08");

  script_cve_id(
    "CVE-2019-5849",
    "CVE-2019-9812",
    "CVE-2019-11734",
    "CVE-2019-11735",
    "CVE-2019-11736",
    "CVE-2019-11737",
    "CVE-2019-11738",
    "CVE-2019-11740",
    "CVE-2019-11741",
    "CVE-2019-11742",
    "CVE-2019-11743",
    "CVE-2019-11744",
    "CVE-2019-11746",
    "CVE-2019-11747",
    "CVE-2019-11748",
    "CVE-2019-11749",
    "CVE-2019-11750",
    "CVE-2019-11751",
    "CVE-2019-11752",
    "CVE-2019-11753"
  );
  script_xref(name:"MFSA", value:"2019-25");

  script_name(english:"Mozilla Firefox < 69.0");
  script_summary(english:"Checks the version of Firefox.");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Firefox installed on the remote macOS or Mac OS X host is prior to 69.0. It is, therefore, affected by
multiple vulnerabilities as referenced in the mfsa2019-25 advisory.

Note that Nessus has not tested for this issue but
has instead relied only on the application's self-reported version number.");
  script_set_attribute(attribute:"see_also", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Firefox version 69.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-11752");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/09/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/05");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mozilla:firefox");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"MacOS X Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("macosx_firefox_installed.nasl");
  script_require_keys("MacOSX/Firefox/Installed");

  exit(0);
}

include('mozilla_version.inc');

kb_base = 'MacOSX/Firefox';
get_kb_item_or_exit(kb_base+'/Installed');

version = get_kb_item_or_exit(kb_base+'/Version', exit_code:1);
path = get_kb_item_or_exit(kb_base+'/Path', exit_code:1);

is_esr = get_kb_item(kb_base+'/is_esr');
if (is_esr) exit(0, 'The Mozilla Firefox installation is in the ESR branch.');

mozilla_check_version(version:version, path:path, product:'firefox', esr:FALSE, fix:'69.0', xss:TRUE, severity:SECURITY_HOLE);
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-4122-1.NASL
    descriptionMultiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to obtain sensitive information, bypass Content Security Policy (CSP) protections, bypass same-origin restrictions, conduct cross-site scripting (XSS) attacks, cause a denial of service, or execute arbitrary code. (CVE-2019-5849, CVE-2019-11734, CVE-2019-11735, CVE-2019-11737, CVE-2019-11738, CVE-2019-11740, CVE-2019-11742, CVE-2019-11743, CVE-2019-11744, CVE-2019-11746, CVE-2019-11748, CVE-2019-11749, CVE-2019-11750, CVE-2019-11752) It was discovered that a compromised content process could log in to a malicious Firefox Sync account. An attacker could potentially exploit this, in combination with another vulnerability, to disable the sandbox. (CVE-2019-9812) It was discovered that addons.mozilla.org and accounts.firefox.com could be loaded in to the same content process. An attacker could potentially exploit this, in combination with another vulnerability that allowed a cross-site scripting (XSS) attack, to modify browser settings. (CVE-2019-11741) It was discovered that the
    last seen2020-06-01
    modified2020-06-02
    plugin id128521
    published2019-09-05
    reporterUbuntu Security Notice (C) 2019 Canonical, Inc. / NASL script (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/128521
    titleUbuntu 16.04 LTS / 18.04 LTS / 19.04 : firefox vulnerabilities (USN-4122-1)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-4122-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include("compat.inc");

if (description)
{
  script_id(128521);
  script_version("1.5");
  script_cvs_date("Date: 2019/12/31");

  script_cve_id("CVE-2019-11734", "CVE-2019-11735", "CVE-2019-11737", "CVE-2019-11738", "CVE-2019-11740", "CVE-2019-11741", "CVE-2019-11742", "CVE-2019-11743", "CVE-2019-11744", "CVE-2019-11746", "CVE-2019-11747", "CVE-2019-11748", "CVE-2019-11749", "CVE-2019-11750", "CVE-2019-11752", "CVE-2019-5849", "CVE-2019-9812");
  script_xref(name:"USN", value:"4122-1");

  script_name(english:"Ubuntu 16.04 LTS / 18.04 LTS / 19.04 : firefox vulnerabilities (USN-4122-1)");
  script_summary(english:"Checks dpkg output for updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Ubuntu host is missing a security-related patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to obtain sensitive information, bypass
Content Security Policy (CSP) protections, bypass same-origin
restrictions, conduct cross-site scripting (XSS) attacks, cause a
denial of service, or execute arbitrary code. (CVE-2019-5849,
CVE-2019-11734, CVE-2019-11735, CVE-2019-11737, CVE-2019-11738,
CVE-2019-11740, CVE-2019-11742, CVE-2019-11743, CVE-2019-11744,
CVE-2019-11746, CVE-2019-11748, CVE-2019-11749, CVE-2019-11750,
CVE-2019-11752)

It was discovered that a compromised content process could log in to a
malicious Firefox Sync account. An attacker could potentially exploit
this, in combination with another vulnerability, to disable the
sandbox. (CVE-2019-9812)

It was discovered that addons.mozilla.org and accounts.firefox.com
could be loaded in to the same content process. An attacker could
potentially exploit this, in combination with another vulnerability
that allowed a cross-site scripting (XSS) attack, to modify browser
settings. (CVE-2019-11741)

It was discovered that the 'Forget about this site' feature in the
history pane removes HTTP Strict Transport Security (HSTS) settings
for sites on the pre-load list. An attacker could potentially exploit
this to bypass the protections offered by HSTS. (CVE-2019-11747).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://usn.ubuntu.com/4122-1/"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected firefox package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-11752");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:firefox");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:19.04");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/09/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/05");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2019 Canonical, Inc. / NASL script (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("ubuntu.inc");
include("misc_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(16\.04|18\.04|19\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 16.04 / 18.04 / 19.04", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);

flag = 0;

if (ubuntu_check(osver:"16.04", pkgname:"firefox", pkgver:"69.0+build2-0ubuntu0.16.04.4")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"firefox", pkgver:"69.0+build2-0ubuntu0.18.04.1")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"firefox", pkgver:"69.0+build2-0ubuntu0.19.04.1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "firefox");
}

References