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nessusThis script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DLA-3576.NASL
HistorySep 22, 2023 - 12:00 a.m.

Debian DLA-3576-1 : gsl - LTS security update

2023-09-2200:00:00
This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
6
debian 10
buffer overflow
security update
vulnerability

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

31.4%

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3576 advisory.

  • A buffer overflow can occur when calculating the quantile value using the Statistics Library of GSL (GNU Scientific Library), versions 2.5 and 2.6. Processing a maliciously crafted input data for gsl_stats_quantile_from_sorted_data of the library may lead to unexpected application termination or arbitrary code execution. (CVE-2020-35357)

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 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dla-3576. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(181775);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/12");

  script_cve_id("CVE-2020-35357");

  script_name(english:"Debian DLA-3576-1 : gsl - LTS 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 remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3576
advisory.

  - A buffer overflow can occur when calculating the quantile value using the Statistics Library of GSL (GNU
    Scientific Library), versions 2.5 and 2.6. Processing a maliciously crafted input data for
    gsl_stats_quantile_from_sorted_data of the library may lead to unexpected application termination or
    arbitrary code execution. (CVE-2020-35357)

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/gsl");
  script_set_attribute(attribute:"see_also", value:"https://www.debian.org/lts/security/2023/dla-3576");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-35357");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/gsl");
  script_set_attribute(attribute:"solution", value:
"Upgrade the gsl packages.

For Debian 10 buster, this problem has been fixed in version 2.5+dfsg-6+deb10u1.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/I:N/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-2020-35357");

  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:"2023/08/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/09/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/09/22");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gsl-bin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgsl-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgsl-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgsl23");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgslcblas0");
  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) 2023 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:"^(10)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 10.0', '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': '10.0', 'prefix': 'gsl-bin', 'reference': '2.5+dfsg-6+deb10u1'},
    {'release': '10.0', 'prefix': 'libgsl-dbg', 'reference': '2.5+dfsg-6+deb10u1'},
    {'release': '10.0', 'prefix': 'libgsl-dev', 'reference': '2.5+dfsg-6+deb10u1'},
    {'release': '10.0', 'prefix': 'libgsl23', 'reference': '2.5+dfsg-6+deb10u1'},
    {'release': '10.0', 'prefix': 'libgslcblas0', 'reference': '2.5+dfsg-6+deb10u1'}
];

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, 'gsl-bin / libgsl-dbg / libgsl-dev / libgsl23 / libgslcblas0');
}
VendorProductVersionCPE
debiandebian_linuxgsl-binp-cpe:/a:debian:debian_linux:gsl-bin
debiandebian_linuxlibgsl-dbgp-cpe:/a:debian:debian_linux:libgsl-dbg
debiandebian_linuxlibgsl-devp-cpe:/a:debian:debian_linux:libgsl-dev
debiandebian_linuxlibgsl23p-cpe:/a:debian:debian_linux:libgsl23
debiandebian_linuxlibgslcblas0p-cpe:/a:debian:debian_linux:libgslcblas0
debiandebian_linux10.0cpe:/o:debian:debian_linux:10.0

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

31.4%