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nessusThis script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.SUSE_SU-2022-1664-1.NASL
HistoryMay 17, 2022 - 12:00 a.m.

SUSE SLED12 / SLES12 Security Update : pidgin (SUSE-SU-2022:1664-1)

2022-05-1700:00:00
This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
13

The remote SUSE Linux SLED12 / SLED_SAP12 / SLES12 / SLES_SAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:1664-1 advisory.

  • An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a client connection to a malicious server. The client will perform TLS certificate verification of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take over control over the XMPP connection and to obtain user credentials and all communication content. This is similar to CVE-2022-24968. (CVE-2022-26491)

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

##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2022:1664-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(161239);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/13");

  script_cve_id("CVE-2022-26491");
  script_xref(name:"SuSE", value:"SUSE-SU-2022:1664-1");

  script_name(english:"SUSE SLED12 / SLES12 Security Update : pidgin (SUSE-SU-2022:1664-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The remote SUSE Linux SLED12 / SLED_SAP12 / SLES12 / SLES_SAP12 host has packages installed that are affected by a
vulnerability as referenced in the SUSE-SU-2022:1664-1 advisory.

  - An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can
    redirect a client connection to a malicious server. The client will perform TLS certificate verification
    of the malicious domain name instead of the original XMPP service domain, allowing the attacker to take
    over control over the XMPP connection and to obtain user credentials and all communication content. This
    is similar to CVE-2022-24968. (CVE-2022-26491)

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://bugzilla.suse.com/1199025");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-26491");
  # https://lists.suse.com/pipermail/sle-security-updates/2022-May/011026.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?2a379d19");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:N/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:H/PR:N/UI:N/S:U/C:H/I:N/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-2022-26491");

  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:"2022/06/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/05/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/05/17");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:finch");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:finch-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libpurple");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libpurple-branding-upstream");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libpurple-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libpurple-lang");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libpurple-plugin-sametime");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libpurple-tcl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:pidgin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:pidgin-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  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/SuSE/release");
if (isnull(os_release) || os_release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)(?:_SAP)?\d+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLED12|SLED_SAP12|SLES12|SLES_SAP12)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLED12 / SLED_SAP12 / SLES12 / SLES_SAP12', 'SUSE (' + os_ver + ')');

if (!get_kb_item("Host/SuSE/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$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'SUSE (' + os_ver + ')', cpu);

var service_pack = get_kb_item("Host/SuSE/patchlevel");
if (isnull(service_pack)) service_pack = "0";
if (os_ver == "SLED12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLED12 SP5", os_ver + " SP" + service_pack);
if (os_ver == "SLED_SAP12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLED_SAP12 SP5", os_ver + " SP" + service_pack);
if (os_ver == "SLES12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES12 SP5", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP12 SP5", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'finch-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'finch-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'finch-devel-2.12.0-3.6.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-2.12.0-3.6.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-branding-upstream-2.12.0-3.6.1', 'sp':'5', 'release':'SLED_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-branding-upstream-2.12.0-3.6.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-devel-2.12.0-3.6.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-lang-2.12.0-3.6.1', 'sp':'5', 'release':'SLED_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-lang-2.12.0-3.6.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-plugin-sametime-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-plugin-sametime-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-tcl-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'libpurple-tcl-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'pidgin-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'pidgin-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'pidgin-devel-2.12.0-3.6.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'finch-devel-2.12.0-3.6.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-sdk-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-2.12.0-3.6.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-sdk-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-devel-2.12.0-3.6.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-sdk-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-lang-2.12.0-3.6.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-sdk-release-12.5', 'sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'pidgin-devel-2.12.0-3.6.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-sdk-release-12.5', 'sles-release-12.5']},
    {'reference':'finch-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'finch-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-branding-upstream-2.12.0-3.6.1', 'sp':'5', 'release':'SLED12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-branding-upstream-2.12.0-3.6.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-lang-2.12.0-3.6.1', 'sp':'5', 'release':'SLED12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-plugin-sametime-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-plugin-sametime-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-tcl-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'libpurple-tcl-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'pidgin-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']},
    {'reference':'pidgin-2.12.0-3.6.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5', 'sled-release-12.5', 'sles-release-12.5']}
];

var ltss_caveat_required = FALSE;
var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var sp = NULL;
  var _cpu = NULL;
  var exists_check = NULL;
  var rpm_spec_vers_cmp = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = package_array['release'];
  if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
  if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
  if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (reference && _release) {
    if (exists_check) {
      var check_flag = 0;
      foreach var check (exists_check) {
        if (!rpm_exists(release:_release, rpm:check)) continue;
        check_flag++;
      }
      if (!check_flag) continue;
    }
    if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
  }
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      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, 'finch / finch-devel / libpurple / libpurple-branding-upstream / etc');
}
VendorProductVersionCPE
novellsuse_linuxfinchp-cpe:/a:novell:suse_linux:finch
novellsuse_linuxfinch-develp-cpe:/a:novell:suse_linux:finch-devel
novellsuse_linuxlibpurplep-cpe:/a:novell:suse_linux:libpurple
novellsuse_linuxlibpurple-branding-upstreamp-cpe:/a:novell:suse_linux:libpurple-branding-upstream
novellsuse_linuxlibpurple-develp-cpe:/a:novell:suse_linux:libpurple-devel
novellsuse_linuxlibpurple-langp-cpe:/a:novell:suse_linux:libpurple-lang
novellsuse_linuxlibpurple-plugin-sametimep-cpe:/a:novell:suse_linux:libpurple-plugin-sametime
novellsuse_linuxlibpurple-tclp-cpe:/a:novell:suse_linux:libpurple-tcl
novellsuse_linuxpidginp-cpe:/a:novell:suse_linux:pidgin
novellsuse_linuxpidgin-develp-cpe:/a:novell:suse_linux:pidgin-devel
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