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
77.7%
The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5581 advisory.
The WebGL DrawElementsInstanced
method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
(CVE-2023-6856)
When resolving a symlink, a race may occur where the buffer passed to readlink
may actually be smaller than necessary. This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS).
Windows is unaffected. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6857)
Firefox was susceptible to a heap buffer overflow in nsTextFragment
due to insufficient OOM handling.
This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6858)
A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6859)
The VideoBridge
allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6860)
The nsWindow::PickerOpen(void)
method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
(CVE-2023-6861)
A use-after-free was identified in the nsDNSService::Init
. This issue appears to manifest rarely during start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6. (CVE-2023-6862)
The ShutdownObserver()
was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6863)
Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. 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 ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6864)
EncryptingOutputStream
was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121. (CVE-2023-6865)
The timing of a button click causing a popup to disappear was approximately the same length as the anti- clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121. (CVE-2023-6867)
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dsa-5581. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('compat.inc');
if (description)
{
script_id(187136);
script_version("1.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/26");
script_cve_id(
"CVE-2023-6856",
"CVE-2023-6857",
"CVE-2023-6858",
"CVE-2023-6859",
"CVE-2023-6860",
"CVE-2023-6861",
"CVE-2023-6862",
"CVE-2023-6863",
"CVE-2023-6864",
"CVE-2023-6865",
"CVE-2023-6867"
);
script_xref(name:"IAVA", value:"2023-A-0702-S");
script_name(english:"Debian DSA-5581-1 : firefox-esr - security update");
script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing one or more security-related updates.");
script_set_attribute(attribute:"description", value:
"The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the
dsa-5581 advisory.
- The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems
with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox
escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
(CVE-2023-6856)
- When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller
than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS).
Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox <
121. (CVE-2023-6857)
- Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling.
This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6858)
- A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability
affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6859)
- The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be
abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and
Firefox < 121. (CVE-2023-6860)
- The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless
mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
(CVE-2023-6861)
- A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during
start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6. (CVE-2023-6862)
- The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a
dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird
< 115.6, and Firefox < 121. (CVE-2023-6863)
- Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. 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 ESR < 115.6, Thunderbird < 115.6, and
Firefox < 121. (CVE-2023-6864)
- `EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused
in order to write data to a local disk which may have implications for private browsing mode. This
vulnerability affects Firefox ESR < 115.6 and Firefox < 121. (CVE-2023-6865)
- The timing of a button click causing a popup to disappear was approximately the same length as the anti-
clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring
them to click where the permission grant button would be about to appear. This vulnerability affects
Firefox ESR < 115.6 and Firefox < 121. (CVE-2023-6867)
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://packages.debian.org/source/bookworm/firefox-esr");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bullseye/firefox-esr");
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://www.debian.org/security/2023/dsa-5581");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6856");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6857");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6858");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6859");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6860");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6861");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6862");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6863");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6864");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6865");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-6867");
script_set_attribute(attribute:"solution", value:
"Upgrade the firefox-esr packages.
For the stable distribution (bookworm), these problems have been fixed in version 115.6.0esr-1~deb12u1.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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-2023-6864");
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:"2023/12/19");
script_set_attribute(attribute:"patch_publication_date", value:"2023/12/20");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/12/20");
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:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ach");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-af");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-all");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-an");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ar");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ast");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-az");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-be");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-bg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-bn");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-br");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-bs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ca");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ca-valencia");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-cak");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-cs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-cy");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-da");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-de");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-dsb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-el");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-en-ca");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-en-gb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-eo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-es-ar");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-es-cl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-es-es");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-es-mx");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-et");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-eu");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-fa");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ff");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-fi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-fr");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-fur");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-fy-nl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ga-ie");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-gd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-gl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-gn");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-gu-in");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-he");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-hi-in");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-hr");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-hsb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-hu");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-hy-am");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ia");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-id");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-is");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-it");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ja");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ka");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-kab");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-kk");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-km");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-kn");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ko");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-lij");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-lt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-lv");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-mk");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-mr");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ms");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-my");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-nb-no");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ne-np");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-nl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-nn-no");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-oc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-pa-in");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-pl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-pt-br");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-pt-pt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-rm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ro");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ru");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sco");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-si");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sk");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-son");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sq");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sr");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sv-se");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-szl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ta");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-te");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-tg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-th");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-tl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-tr");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-trs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-uk");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ur");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-uz");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-vi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-xh");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-zh-cn");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firefox-esr-l10n-zh-tw");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:12.0");
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) 2023-2024 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('debian_package.inc');
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
var debian_release = get_kb_item('Host/Debian/release');
if ( isnull(debian_release) ) audit(AUDIT_OS_NOT, 'Debian');
debian_release = chomp(debian_release);
if (! preg(pattern:"^(11)\.[0-9]+|^(12)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 11.0 / 12.0', 'Debian ' + debian_release);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Debian', cpu);
var pkgs = [
{'release': '11.0', 'prefix': 'firefox-esr', 'reference': '115.6.0esr-1~deb11u1'},
{'release': '11.0', 'prefix': 'firefox-esr-l10n-ach', 'reference': '115.6.0esr-1~deb11u1'},
{'release': '11.0', 'prefix': 'firefox-esr-l10n-af', 'reference': '115.6.0esr-1~deb11u1'},
{'release': '11.0', 'prefix': 'firefox-esr-l10n-all', 'reference': '115.6.0esr-1~deb11u1'},
{'release': '11.0', 'prefix': 'firefox-esr-l10n-an', 'reference': '115.6.0esr-1~deb11u1'},
{'release': '11.0', 'prefix': 'firefox-esr-l10n-ar', 'reference': '115.6.0esr-1~deb11u1'},
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{'release': '12.0', 'prefix': 'firefox-esr-l10n-sk', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-sl', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-son', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-sq', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-sr', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-sv-se', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-szl', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-ta', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-te', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-tg', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-th', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-tl', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-tr', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-trs', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-uk', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-ur', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-uz', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-vi', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-xh', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-zh-cn', 'reference': '115.6.0esr-1~deb12u1'},
{'release': '12.0', 'prefix': 'firefox-esr-l10n-zh-tw', 'reference': '115.6.0esr-1~deb12u1'}
];
var flag = 0;
foreach package_array ( pkgs ) {
var _release = NULL;
var prefix = NULL;
var reference = NULL;
if (!empty_or_null(package_array['release'])) _release = package_array['release'];
if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (_release && prefix && reference) {
if (deb_check(release:_release, prefix:prefix, reference:reference)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : deb_report_get()
);
exit(0);
}
else
{
var tested = deb_pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'firefox-esr / firefox-esr-l10n-ach / firefox-esr-l10n-af / etc');
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6856
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6857
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6858
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6859
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6860
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6861
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6862
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6863
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6864
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6865
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6867
packages.debian.org/source/bookworm/firefox-esr
packages.debian.org/source/bullseye/firefox-esr
security-tracker.debian.org/tracker/CVE-2023-6856
security-tracker.debian.org/tracker/CVE-2023-6857
security-tracker.debian.org/tracker/CVE-2023-6858
security-tracker.debian.org/tracker/CVE-2023-6859
security-tracker.debian.org/tracker/CVE-2023-6860
security-tracker.debian.org/tracker/CVE-2023-6861
security-tracker.debian.org/tracker/CVE-2023-6862
security-tracker.debian.org/tracker/CVE-2023-6863
security-tracker.debian.org/tracker/CVE-2023-6864
security-tracker.debian.org/tracker/CVE-2023-6865
security-tracker.debian.org/tracker/CVE-2023-6867
security-tracker.debian.org/tracker/source-package/firefox-esr
www.debian.org/security/2023/dsa-5581
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
77.7%