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Debian dla-3688 : haproxy - security update

πŸ—“οΈΒ 15 Dec 2023Β 00:00:00Reported byΒ This script is Copyright (C) 2023-2025 and is owned by Tenable, Inc. or an Affiliate thereof.TypeΒ 
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Debian 10 HAProxy before 2.8.2 security vulnerabilit

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#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dla-3688. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(186967);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/01/22");

  script_cve_id("CVE-2023-45539");

  script_name(english:"Debian dla-3688 : haproxy - 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-3688
advisory.

    - -------------------------------------------------------------------------
    Debian LTS Advisory DLA-3688-1                [email protected]
    https://www.debian.org/lts/security/                           Chris Lamb
    December 14, 2023                             https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : haproxy
    Version        : 1.8.19-1+deb10u5
    CVE ID         : CVE-2023-45539

    It was discovered that there was a potential information disclosure
    vulnerability in HAProxy, a reverse proxy server used to load balance
    HTTP requests across multiple servers.

    HAProxy formerly accepted the # (ie. the pound or hash) symbol
    as part of a URI component. This might have allowed remote attackers
    to obtain sensitive information upon HAProxy's misinterpretation of a
    path_end rule, such as by routing index.html#.png to a static
    server.

    For Debian 10 buster, this problem has been fixed in version
    1.8.19-1+deb10u5.

    We recommend that you upgrade your haproxy packages.

    For the detailed security status of haproxy please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/haproxy

    Further information about Debian LTS security advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

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/CVE-2023-45539");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/haproxy");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/haproxy");
  script_set_attribute(attribute:"solution", value:
"Upgrade the haproxy packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:P/A:N");
  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:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-45539");

  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:"2023/11/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/12/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/12/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:haproxy");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:haproxy-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:vim-haproxy");
  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) 2023-2025 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': 'haproxy', 'reference': '1.8.19-1+deb10u5'},
    {'release': '10.0', 'prefix': 'haproxy-doc', 'reference': '1.8.19-1+deb10u5'},
    {'release': '10.0', 'prefix': 'vim-haproxy', 'reference': '1.8.19-1+deb10u5'}
];

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, 'haproxy / haproxy-doc / vim-haproxy');
}

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15 Dec 2023 00:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS38.2
EPSS0.001
SSVC
20
.json
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