EulerOS 2.0 SP3 : pki-core (EulerOS-SA-2021-1831)

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

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

if (description)
{
  script_id(149159);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/02");

  script_cve_id(
    "CVE-2019-10146",
    "CVE-2019-10179",
    "CVE-2019-10221",
    "CVE-2019-11358",
    "CVE-2020-1721",
    "CVE-2020-25715",
    "CVE-2021-20179"
  );
  script_xref(name:"CEA-ID", value:"CEA-2021-0025");
  script_xref(name:"CEA-ID", value:"CEA-2021-0004");

  script_name(english:"EulerOS 2.0 SP3 : pki-core (EulerOS-SA-2021-1831)");

  script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing multiple security updates.");
  script_set_attribute(attribute:"description", value:
"According to the versions of the pki-core packages installed, the
EulerOS installation on the remote host is affected by the following
vulnerabilities :

  - A flaw was found in pki-core. An attacker who has
    successfully compromised a key could use this flaw to
    renew the corresponding certificate over and over
    again, as long as it is not explicitly revoked. The
    highest threat from this vulnerability is to data
    confidentiality and integrity.(CVE-2021-20179)

  - A Reflected Cross Site Scripting flaw was found in all
    pki-core 10.x.x versions module from the pki-core
    server due to the CA Agent Service not properly
    sanitizing the certificate request page. An attacker
    could inject a specially crafted value that will be
    executed on the victim's browser.(CVE-2019-10146)

  - A vulnerability was found in all pki-core 10.x.x
    versions, where the Key Recovery Authority (KRA) Agent
    Service did not properly sanitize recovery request
    search page, enabling a Reflected Cross Site Scripting
    (XSS) vulnerability. An attacker could trick an
    authenticated victim into executing specially crafted
    Javascript code.(CVE-2019-10179)

  - A flaw was found in pki-core. A specially crafted POST
    request can be used to reflect a DOM-based cross-site
    scripting (XSS) attack to inject code into the search
    query form which can get automatically executed. The
    highest threat from this vulnerability is to data
    integrity.(CVE-2020-25715)

  - A Reflected Cross Site Scripting vulnerability was
    found in all pki-core 10.x.x versions, where the pki-ca
    module from the pki-core server. This flaw is caused by
    missing sanitization of the GET URL parameters. An
    attacker could abuse this flaw to trick an
    authenticated user into clicking a specially crafted
    link which can execute arbitrary code when viewed in a
    browser.(CVE-2019-10221)

  - jQuery before 3.4.0, as used in Drupal, Backdrop CMS,
    and other products, mishandles jQuery.extend(true, {},
    ...) because of Object.prototype pollution. If an
    unsanitized source object contained an enumerable
    __proto__ property, it could extend the native
    Object.prototype.(CVE-2019-11358)

  - A flaw was found in the Key Recovery Authority (KRA)
    Agent Service where it did not properly sanitize the
    recovery ID during a key recovery request, enabling a
    Reflected Cross-Site Scripting (XSS) vulnerability. An
    attacker could trick an authenticated victim into
    executing specially crafted Javascript
    code.(CVE-2020-1721)

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-2021-1831
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?14b99600");
  script_set_attribute(attribute:"solution", value:
"Update the affected pki-core packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-20179");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"patch_publication_date", value:"2021/04/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/04/30");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:pki-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:pki-base-java");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:pki-ca");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:pki-kra");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:pki-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:pki-symkey");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:pki-tools");
  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) 2021-2024 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 !~ "^(3)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP3");

uvp = get_kb_item("Host/EulerOS/uvp_version");
if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP3", "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$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu);

flag = 0;

pkgs = ["pki-base-10.4.1-11.h7",
        "pki-base-java-10.4.1-11.h7",
        "pki-ca-10.4.1-11.h7",
        "pki-kra-10.4.1-11.h7",
        "pki-server-10.4.1-11.h7",
        "pki-symkey-10.4.1-11.h7",
        "pki-tools-10.4.1-11.h7"];

foreach (pkg in pkgs)
  if (rpm_check(release:"EulerOS-2.0", sp:"3", reference:pkg)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    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, "pki-core");
}