Vulnerabilities > CVE-2015-1380 - Improper Input Validation vulnerability in multiple products

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(81516);
  script_version("1.4");
  script_cvs_date("Date: 2018/11/15 20:50:22");

  script_cve_id("CVE-2015-1380", "CVE-2015-1381", "CVE-2015-1382");
  script_bugtraq_id(72354, 72355, 72360);

  script_name(english:"Privoxy < 3.0.23 Multiple DoS Vulnerabilities");
  script_summary(english:"Checks the version of Privoxy.");

  script_set_attribute(attribute:"synopsis", value:
"The remote web proxy is affected by multiple denial of service
vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version number, the version of Privoxy
running on the remote host is prior to 3.0.23. It is, therefore,
potentially affected by multiple denial of service vulnerabilities :

  - A flaw exists in the chunked_body_is_complete() function
    in 'jcc.c' due to improper processing of invalid
    chunk-encoded bodies. A remote attacker, using a
    specially crafted client request, can cause the Privoxy
    instance to abort. (CVE-2015-1380)

  - Multiple flaws exist in the pcrs_compile_replacement()
    function in 'pcrs.c' when handling backreferences.
    Remote attackers can exploit these flaws to cause a
    segmentation fault or memory consumption.
    (CVE-2015-1381)

  - An invalid read flaw in 'parsers.c' allows a remote
    attacker, via an HTTP request with a specially-crafted
    time header, to cause a denial of service condition.
    (CVE-2015-1382)

Note that Nessus has not tested for these issues but has instead
relied only on the application's self-reported version number.");
  script_set_attribute(attribute:"see_also", value:"https://sourceforge.net/p/ijbswa/mailman/message/33089172/");
  # http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/jcc.c?r1=1.433&r2=1.434
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?02038803");
  # http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/pcrs.c?r1=1.46&r2=1.47
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e70b2d80");
  # http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.297&r2=1.298
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fc0894c2");
  script_set_attribute(attribute:"solution", value:"Upgrade to Privoxy version 3.0.23 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2015/01/26");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/01/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/02/25");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:privoxy:privoxy");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2015-2018 Tenable Network Security, Inc.");

  script_dependencies("privoxy_detect.nasl");
  script_require_keys("www/Privoxy", "Settings/ParanoidReport");
  script_require_ports("Services/www", 8118);

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("webapp_func.inc");

if (report_paranoia < 2) audit(AUDIT_PARANOID);

port = get_http_port(default:8118);
app_name = "Privoxy";

install = get_install_from_kb(
  appname      : app_name,
  port         : port,
  exit_on_fail : TRUE
);

version = install["ver"];
if (version == UNKNOWN_VER) audit(AUDIT_UNKNOWN_WEB_SERVER_VER, app_name, port);

install_url = build_url(qs:install["dir"], port:port);
fix = "3.0.23";

# Versions < 3.0.23 are vulnerable
if (ver_compare(ver:version, fix:fix, strict:FALSE) < 0)
{
  if (report_verbosity > 0)
  {
    report =
      '\n  URL               : ' + install_url +
      '\n  Installed version : ' + version +
      '\n  Fixed version     : ' + fix +
      '\n';
    security_warning(port:port, extra:report);
  }
  else security_warning(port);
}
else audit(AUDIT_LISTEN_NOT_VULN, app_name, port, version);

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2015-115.
#
# The text description of this plugin is (C) SUSE LLC.
#

include("compat.inc");

if (description)
{
  script_id(81241);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04");

  script_cve_id("CVE-2015-1380", "CVE-2015-1381", "CVE-2015-1382");

  script_name(english:"openSUSE Security Update : privoxy (openSUSE-2015-115)");
  script_summary(english:"Check for the openSUSE-2015-115 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"privoxy was updated to version 3.0.23 to fix three security issues.

These security issues were fixed :

  - Fixed a DoS issue in case of client requests with
    incorrect chunk-encoded body. When compiled with
    assertions enabled (the default) they could previously
    cause Privoxy to abort() (CVE-2015-1380).

  - Fixed multiple segmentation faults and memory leaks in
    the pcrs code. This fix also increases the chances that
    an invalid pcrs command is rejected as such
    (CVE-2015-1381).

  - Client requests with body that can't be delivered no
    longer cause pipelined requests behind them to be
    rejected as invalid (CVE-2015-1382)."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=914934"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected privoxy packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:privoxy");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:privoxy-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:privoxy-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:13.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:13.2");

  script_set_attribute(attribute:"patch_publication_date", value:"2015/01/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/02/09");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2020 Tenable Network Security, Inc.");
  script_family(english:"SuSE Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
if (release !~ "^(SUSE13\.1|SUSE13\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "13.1 / 13.2", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE13.1", reference:"privoxy-3.0.23-2.20.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"privoxy-debuginfo-3.0.23-2.20.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"privoxy-debugsource-3.0.23-2.20.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"privoxy-3.0.23-8.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"privoxy-debuginfo-3.0.23-8.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"privoxy-debugsource-3.0.23-8.8.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "privoxy / privoxy-debuginfo / privoxy-debugsource");
}

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2018 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(88153);
  script_version("2.3");
  script_cvs_date("Date: 2018/11/23 12:49:57");

  script_cve_id("CVE-2015-1380", "CVE-2015-1381", "CVE-2015-1382");

  script_name(english:"FreeBSD : privoxy -- multiple vulnerabilities (d9e1b569-c3d8-11e5-b5fe-002590263bf5)");
  script_summary(english:"Checks for updated package in pkg_info output");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote FreeBSD host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Privoxy Developers reports :

Fixed a DoS issue in case of client requests with incorrect
chunk-encoded body. When compiled with assertions enabled (the
default) they could previously cause Privoxy to abort(). Reported by
Matthew Daley. CVE-2015-1380.

Fixed multiple segmentation faults and memory leaks in the pcrs code.
This fix also increases the chances that an invalid pcrs command is
rejected as such. Previously some invalid commands would be loaded
without error. Note that Privoxy's pcrs sources (action and filter
files) are considered trustworthy input and should not be writable by
untrusted third-parties. CVE-2015-1381.

Fixed an 'invalid read' bug which could at least theoretically cause
Privoxy to crash. So far, no crashes have been observed.
CVE-2015-1382."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=197089"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.privoxy.org/3.0.23/user-manual/whatsnew.html"
  );
  # http://www.openwall.com/lists/oss-security/2015/01/26/4
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.openwall.com/lists/oss-security/2015/01/26/4"
  );
  # https://vuxml.freebsd.org/freebsd/d9e1b569-c3d8-11e5-b5fe-002590263bf5.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?1c6e4de9"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:privoxy");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2015/01/26");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/01/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/01/26");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2018 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:"privoxy<3.0.23")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:pkg_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");