Lucene search

K
nessusThis script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.EULEROS_SA-2021-2311.NASL
HistoryAug 10, 2021 - 12:00 a.m.

EulerOS 2.0 SP8 : polkit (EulerOS-SA-2021-2311)

2021-08-1000:00:00
This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
19

6.7 Medium

AI Score

Confidence

Low

According to the version of the polkit packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  • polkit is a toolkit for defining and handling authorizations. It isused for allowing unprivileged processes to speak to privilegedprocesses.(CVE-2021-3560)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

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

if (description)
{
  script_id(152407);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/04");

  script_cve_id("CVE-2021-3560");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2023/06/02");

  script_name(english:"EulerOS 2.0 SP8 : polkit (EulerOS-SA-2021-2311)");

  script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"According to the version of the polkit packages installed, the
EulerOS installation on the remote host is affected by the following
vulnerability :

  - polkit is a toolkit for defining and handling
    authorizations. It isused for allowing unprivileged
    processes to speak to
    privilegedprocesses.(CVE-2021-3560)

Note that Tenable Network Security has extracted the preceding
description block directly from the EulerOS security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
  # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-2311
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?cb6d1587");
  script_set_attribute(attribute:"solution", value:
"Update the affected polkit package.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-3560");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Polkit D-Bus Authentication Bypass');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"patch_publication_date", value:"2021/08/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/08/10");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:polkit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:polkit-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:polkit-docs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:polkit-libs");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
  script_exclude_keys("Host/EulerOS/uvp_version");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

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

release = get_kb_item("Host/EulerOS/release");
if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
if (release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0");

sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(8)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP8");

uvp = get_kb_item("Host/EulerOS/uvp_version");
if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP8", "EulerOS UVP " + uvp);

if (!get_kb_item("Host/EulerOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

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, "EulerOS", cpu);
if ("aarch64" >!< cpu) audit(AUDIT_ARCH_NOT, "aarch64", cpu);

flag = 0;

pkgs = ["polkit-0.115-2.h13.eulerosv2r8",
        "polkit-devel-0.115-2.h13.eulerosv2r8",
        "polkit-docs-0.115-2.h13.eulerosv2r8",
        "polkit-libs-0.115-2.h13.eulerosv2r8"];

foreach (pkg in pkgs)
  if (rpm_check(release:"EulerOS-2.0", sp:"8", reference:pkg)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "polkit");
}
VendorProductVersionCPE
huaweieulerospolkitp-cpe:/a:huawei:euleros:polkit
huaweieulerospolkit-develp-cpe:/a:huawei:euleros:polkit-devel
huaweieulerospolkit-docsp-cpe:/a:huawei:euleros:polkit-docs
huaweieulerospolkit-libsp-cpe:/a:huawei:euleros:polkit-libs
huaweieuleros2.0cpe:/o:huawei:euleros:2.0