Vulnerabilities > CVE-2020-6801 - Out-of-bounds Write vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
Mozilla developers reported memory safety bugs present in Firefox 72. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 73.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-4278-1.NASL description 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 cause a denial of service, conduct cross-site scripting (XSS) attacks, or execute arbitrary code. 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. last seen 2020-05-09 modified 2020-02-14 plugin id 133715 published 2020-02-14 reporter Ubuntu Security Notice (C) 2020 Canonical, Inc. / NASL script (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/133715 title Ubuntu 18.04 LTS / 19.10 : firefox vulnerabilities (USN-4278-1) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Ubuntu Security Notice USN-4278-1. 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(133715); script_version("1.5"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/08"); script_cve_id("CVE-2020-6796", "CVE-2020-6798", "CVE-2020-6800", "CVE-2020-6801"); script_xref(name:"USN", value:"4278-1"); script_xref(name:"IAVA", value:"2020-A-0072-S"); script_name(english:"Ubuntu 18.04 LTS / 19.10 : firefox vulnerabilities (USN-4278-1)"); 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 cause a denial of service, conduct cross-site scripting (XSS) attacks, or execute arbitrary code. 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/4278-1/" ); script_set_attribute( attribute:"solution", value:"Update the affected firefox package." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P"); 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:"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:18.04:-:lts"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:19.10"); script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/02"); script_set_attribute(attribute:"patch_publication_date", value:"2020/02/13"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/02/14"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_set_attribute(attribute:"stig_severity", value:"I"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"Ubuntu Security Notice (C) 2020 Canonical, Inc. / NASL script (C) 2020 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:"^(18\.04|19\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 18.04 / 19.10", "Ubuntu " + release); if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu); flag = 0; if (ubuntu_check(osver:"18.04", pkgname:"firefox", pkgver:"73.0+build3-0ubuntu0.18.04.1")) flag++; if (ubuntu_check(osver:"19.10", pkgname:"firefox", pkgver:"73.0+build3-0ubuntu0.19.10.1")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_WARNING, 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"); }
NASL family MacOS X Local Security Checks NASL id MACOS_FIREFOX_73_0.NASL description The version of Firefox installed on the remote macOS or Mac OS X host is prior to 73.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-05 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-05-09 modified 2020-02-14 plugin id 133692 published 2020-02-14 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/133692 title Mozilla Firefox < 73.0 NASL family Windows NASL id MOZILLA_FIREFOX_73_0.NASL description The version of Firefox installed on the remote Windows host is prior to 73.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-05 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-05-09 modified 2020-02-14 plugin id 133693 published 2020-02-14 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/133693 title Mozilla Firefox < 73.0