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nessusThis script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DSA-4768.NASL
HistorySep 29, 2020 - 12:00 a.m.

Debian DSA-4768-1 : firefox-esr - security update

2020-09-2900:00:00
This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
14
debian
dsa-4768-1
firefox
security update
arbitrary code execution
cross-site scripting
download origin spoofing
extended support release
68.x
78.x
mozilla
web browser.

CVSS2

6.8

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

8.8

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

8.3

Confidence

High

EPSS

0.007

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");

CVSS2

6.8

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

8.8

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

8.3

Confidence

High

EPSS

0.007

Percentile

79.9%