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This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DSA-5061.NASL
HistoryJan 31, 2022 - 12:00 a.m.

Debian DSA-5061-1 : wpewebkit - security update

2022-01-3100:00:00
This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
6

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5061 advisory.

  • A buffer overflow issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30934)

  • A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30936, CVE-2021-30951)

  • An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30952)

  • An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30953)

  • A type confusion issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30954)

  • A race condition was addressed with improved state handling. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30984)

Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dsa-5061. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(157258);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/06");

  script_cve_id(
    "CVE-2021-30934",
    "CVE-2021-30936",
    "CVE-2021-30951",
    "CVE-2021-30952",
    "CVE-2021-30953",
    "CVE-2021-30954",
    "CVE-2021-30984"
  );
  script_xref(name:"IAVA", value:"2021-A-0577-S");

  script_name(english:"Debian DSA-5061-1 : wpewebkit - 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 host has packages installed that are affected by multiple vulnerabilities as referenced in the
dsa-5061 advisory.

  - A buffer overflow issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2,
    macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted
    web content may lead to arbitrary code execution. (CVE-2021-30934)

  - A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.2,
    macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted
    web content may lead to arbitrary code execution. (CVE-2021-30936, CVE-2021-30951)

  - An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS
    Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web
    content may lead to arbitrary code execution. (CVE-2021-30952)

  - An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 15.2, macOS
    Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web
    content may lead to arbitrary code execution. (CVE-2021-30953)

  - A type confusion issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2,
    macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted
    web content may lead to arbitrary code execution. (CVE-2021-30954)

  - A race condition was addressed with improved state handling. This issue is fixed in tvOS 15.2, macOS
    Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web
    content may lead to arbitrary code execution. (CVE-2021-30984)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/wpewebkit");
  script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2022/dsa-5061");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-30934");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-30936");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-30951");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-30952");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-30953");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-30954");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-30984");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bullseye/wpewebkit");
  script_set_attribute(attribute:"solution", value:
"Upgrade the wpewebkit packages.

For the stable distribution (bullseye), these problems have been fixed in version 2.34.4-1~deb11u1.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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-2021-30954");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2021-30953");

  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:"2021/08/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/01/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/01/31");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwpewebkit-1.0-3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwpewebkit-1.0-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwpewebkit-1.0-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:wpewebkit-driver");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
  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) 2022 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/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);

var release = get_kb_item('Host/Debian/release');
if ( isnull(release) ) audit(AUDIT_OS_NOT, 'Debian');
var release = chomp(release);
if (! preg(pattern:"^(11)\.[0-9]+", string:release)) audit(AUDIT_OS_NOT, 'Debian 11.0', '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': 'libwpewebkit-1.0-3', 'reference': '2.34.4-1~deb11u1'},
    {'release': '11.0', 'prefix': 'libwpewebkit-1.0-dev', 'reference': '2.34.4-1~deb11u1'},
    {'release': '11.0', 'prefix': 'libwpewebkit-1.0-doc', 'reference': '2.34.4-1~deb11u1'},
    {'release': '11.0', 'prefix': 'wpewebkit-driver', 'reference': '2.34.4-1~deb11u1'}
];

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, 'libwpewebkit-1.0-3 / libwpewebkit-1.0-dev / libwpewebkit-1.0-doc / etc');
}

References

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