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This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.NEWSTART_CGSL_NS-SA-2022-0091_LIBWEBP.NASL
HistoryNov 15, 2022 - 12:00 a.m.

NewStart CGSL MAIN 6.02 : libwebp Multiple Vulnerabilities (NS-SA-2022-0091)

2022-11-1500:00:00
This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
10

The remote NewStart CGSL host, running version MAIN 6.02, has libwebp packages installed that are affected by multiple vulnerabilities:

  • A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE16(). (CVE-2018-25009)

  • A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ApplyFilter().
    (CVE-2018-25010)

  • A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE24(). (CVE-2018-25012)

  • A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ShiftBytes().
    (CVE-2018-25013)

  • A use of uninitialized value was found in libwebp in versions before 1.0.1 in ReadSymbol().
    (CVE-2018-25014)

  • A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkVerifyAndAssign. The highest threat from this vulnerability is to data confidentiality and to the service availability. (CVE-2020-36330)

  • A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability. (CVE-2020-36331)

  • A flaw was found in libwebp in versions before 1.0.1. When reading a file libwebp allocates an excessive amount of memory. The highest threat from this vulnerability is to the service availability.
    (CVE-2020-36332)

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 ZTE advisory NS-SA-2022-0091. The text
# itself is copyright (C) ZTE, Inc.
##

include('compat.inc');

if (description)
{
  script_id(167502);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/11/15");

  script_cve_id(
    "CVE-2018-25009",
    "CVE-2018-25010",
    "CVE-2018-25012",
    "CVE-2018-25013",
    "CVE-2018-25014",
    "CVE-2020-36330",
    "CVE-2020-36331",
    "CVE-2020-36332"
  );

  script_name(english:"NewStart CGSL MAIN 6.02 : libwebp Multiple Vulnerabilities (NS-SA-2022-0091)");

  script_set_attribute(attribute:"synopsis", value:
"The remote NewStart CGSL host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The remote NewStart CGSL host, running version MAIN 6.02, has libwebp packages installed that are affected by multiple
vulnerabilities:

  - A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE16(). (CVE-2018-25009)

  - A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ApplyFilter().
    (CVE-2018-25010)

  - A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE24(). (CVE-2018-25012)

  - A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ShiftBytes().
    (CVE-2018-25013)

  - A use of uninitialized value was found in libwebp in versions before 1.0.1 in ReadSymbol().
    (CVE-2018-25014)

  - A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function
    ChunkVerifyAndAssign. The highest threat from this vulnerability is to data confidentiality and to the
    service availability. (CVE-2020-36330)

  - A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function
    ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service
    availability. (CVE-2020-36331)

  - A flaw was found in libwebp in versions before 1.0.1. When reading a file libwebp allocates an excessive
    amount of memory. The highest threat from this vulnerability is to the service availability.
    (CVE-2020-36332)

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:"http://security.gd-linux.com/notice/NS-SA-2022-0091");
  script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2018-25009");
  script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2018-25010");
  script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2018-25012");
  script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2018-25013");
  script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2018-25014");
  script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2020-36330");
  script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2020-36331");
  script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2020-36332");
  script_set_attribute(attribute:"solution", value:
"Upgrade the vulnerable CGSL libwebp packages. Note that updated packages may not be available yet. Please contact ZTE
for more information.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:N/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-2018-25014");

  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:"2021/05/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/11/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/11/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:libwebp");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:zte:cgsl_main:6");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"NewStart CGSL 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/ZTE-CGSL/release", "Host/ZTE-CGSL/rpm-list", "Host/cpu");

  exit(0);
}

include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

var os_release = get_kb_item('Host/ZTE-CGSL/release');
if (isnull(os_release) || os_release !~ "^CGSL (MAIN|CORE)") audit(AUDIT_OS_NOT, 'NewStart Carrier Grade Server Linux');

if (os_release !~ "CGSL MAIN 6.02")
  audit(AUDIT_OS_NOT, 'NewStart CGSL MAIN 6.02');

if (!get_kb_item('Host/ZTE-CGSL/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'NewStart Carrier Grade Server Linux', cpu);

var flag = 0;

var pkgs = {
  'CGSL MAIN 6.02': [
    'libwebp-1.0.0-5.el8'
  ]
};
var pkg_list = pkgs[os_release];

foreach (pkg in pkg_list)
  if (rpm_check(release:'ZTE ' + os_release, reference:pkg)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libwebp');
}

References

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