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nessusThis script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DSA-4797.NASL
HistoryNov 25, 2020 - 12:00 a.m.

Debian DSA-4797-1 : webkit2gtk - security update

2020-11-2500:00:00
This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
33

6.8 Medium

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

8.8 High

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

9 High

AI Score

Confidence

High

0.013 Low

EPSS

Percentile

86.0%

The following vulnerabilities have been discovered in the webkit2gtk web engine :

  • CVE-2020-9948 Brendan Draper discovered that processing maliciously crafted web content may lead to arbitrary code execution.

  • CVE-2020-9951 Marcin Noga discovered that processing maliciously crafted web content may lead to arbitrary code execution.

  • CVE-2020-9983 zhunki discovered that processing maliciously crafted web content may lead to code execution.

  • CVE-2020-13584 Cisco discovered that processing maliciously crafted web content may lead to arbitrary code execution.

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-4797. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(143260);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/08");

  script_cve_id(
    "CVE-2020-13584",
    "CVE-2020-9948",
    "CVE-2020-9951",
    "CVE-2020-9983"
  );
  script_xref(name:"DSA", value:"4797");

  script_name(english:"Debian DSA-4797-1 : webkit2gtk - security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
  script_set_attribute(attribute:"description", value:
"The following vulnerabilities have been discovered in the webkit2gtk
web engine :

  - CVE-2020-9948
    Brendan Draper discovered that processing maliciously
    crafted web content may lead to arbitrary code
    execution.

  - CVE-2020-9951
    Marcin Noga discovered that processing maliciously
    crafted web content may lead to arbitrary code
    execution.

  - CVE-2020-9983
    zhunki discovered that processing maliciously crafted
    web content may lead to code execution.

  - CVE-2020-13584
    Cisco discovered that processing maliciously crafted web
    content may lead to arbitrary code execution.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-9948");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-9951");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-9983");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-13584");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/webkit2gtk");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/webkit2gtk");
  script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2020/dsa-4797");
  script_set_attribute(attribute:"solution", value:
"Upgrade the webkit2gtk packages.

For the stable distribution (buster), these problems have been fixed
in version 2.30.3-1~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:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-9983");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/10/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/11/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/11/25");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:webkit2gtk");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  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:"gir1.2-javascriptcoregtk-4.0", reference:"2.30.3-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"gir1.2-webkit2-4.0", reference:"2.30.3-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libjavascriptcoregtk-4.0-18", reference:"2.30.3-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libjavascriptcoregtk-4.0-bin", reference:"2.30.3-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libjavascriptcoregtk-4.0-dev", reference:"2.30.3-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libwebkit2gtk-4.0-37", reference:"2.30.3-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libwebkit2gtk-4.0-37-gtk2", reference:"2.30.3-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libwebkit2gtk-4.0-dev", reference:"2.30.3-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libwebkit2gtk-4.0-doc", reference:"2.30.3-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"webkit2gtk-driver", reference:"2.30.3-1~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");
VendorProductVersionCPE
debiandebian_linuxwebkit2gtkp-cpe:/a:debian:debian_linux:webkit2gtk
debiandebian_linux10.0cpe:/o:debian:debian_linux:10.0

6.8 Medium

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

8.8 High

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

9 High

AI Score

Confidence

High

0.013 Low

EPSS

Percentile

86.0%