CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
79.9%
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, cross-site scripting or spoofing the origin of a download.
Debian follows the extended support releases (ESR) of Firefox. Support for the 68.x series has ended, so starting with this update we’re now following the 78.x releases.
Between 68.x and 78.x, Firefox has seen a number of feature updates.
For more information please refer to https://www.mozilla.org/en-US/firefox/78.0esr/releasenotes/
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-4768. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('compat.inc');
if (description)
{
script_id(140936);
script_version("1.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/19");
script_cve_id(
"CVE-2020-15673",
"CVE-2020-15676",
"CVE-2020-15677",
"CVE-2020-15678"
);
script_xref(name:"DSA", value:"4768");
script_xref(name:"IAVA", value:"2020-A-0435-S");
script_name(english:"Debian DSA-4768-1 : firefox-esr - security update");
script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
script_set_attribute(attribute:"description", value:
"Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code, cross-site scripting or spoofing the origin of a download.
Debian follows the extended support releases (ESR) of Firefox. Support
for the 68.x series has ended, so starting with this update we're now
following the 78.x releases.
Between 68.x and 78.x, Firefox has seen a number of feature updates.
For more information please refer to
https://www.mozilla.org/en-US/firefox/78.0esr/releasenotes/");
script_set_attribute(attribute:"see_also", value:"https://www.mozilla.org/en-US/firefox/78.0esr/releasenotes/");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/firefox-esr");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/firefox-esr");
script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2020/dsa-4768");
script_set_attribute(attribute:"solution", value:
"Upgrade the firefox-esr packages.
For the stable distribution (buster), these problems have been fixed
in version 78.3.0esr-1~deb10u1.");
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:"cvss_score_source", value:"CVE-2020-15678");
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:"2020/10/01");
script_set_attribute(attribute:"patch_publication_date", value:"2020/09/28");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/09/29");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0");
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_family(english:"Debian Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
exit(0);
}
include("audit.inc");
include("debian_package.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (deb_check(release:"10.0", prefix:"firefox-esr", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ach", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-af", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-all", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-an", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ar", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-as", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ast", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-az", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-be", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-bg", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-bn-bd", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-bn-in", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-br", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-bs", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ca", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-cak", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-cs", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-cy", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-da", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-de", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-dsb", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-el", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-en-gb", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-en-za", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-eo", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-es-ar", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-es-cl", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-es-es", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-es-mx", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-et", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-eu", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-fa", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ff", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-fi", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-fr", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-fy-nl", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ga-ie", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-gd", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-gl", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-gn", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-gu-in", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-he", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-hi-in", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-hr", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-hsb", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-hu", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-hy-am", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ia", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-id", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-is", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-it", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ja", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ka", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-kab", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-kk", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-km", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-kn", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ko", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-lij", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-lt", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-lv", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-mai", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-mk", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ml", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-mr", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ms", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-my", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-nb-no", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ne-np", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-nl", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-nn-no", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-oc", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-or", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-pa-in", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-pl", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-pt-br", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-pt-pt", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-rm", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ro", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ru", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-si", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-sk", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-sl", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-son", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-sq", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-sr", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-sv-se", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ta", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-te", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-th", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-tr", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-uk", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-ur", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-uz", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-vi", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-xh", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-zh-cn", reference:"78.3.0esr-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"firefox-esr-l10n-zh-tw", reference:"78.3.0esr-1~deb10u1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15673
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15676
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15677
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15678
packages.debian.org/source/buster/firefox-esr
security-tracker.debian.org/tracker/source-package/firefox-esr
www.debian.org/security/2020/dsa-4768
www.mozilla.org/en-US/firefox/78.0esr/releasenotes/
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
79.9%