EulerOS 2.0 SP15 : binutils (EulerOS-SA-2026-2435)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(323149);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/06/27");

  script_cve_id("CVE-2026-3441", "CVE-2026-3442", "CVE-2026-4647");

  script_name(english:"EulerOS 2.0 SP15 : binutils (EulerOS-SA-2026-2435)");

  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 binutils packages installed, the EulerOS installation on the remote host is affected by
the following vulnerabilities :

    A flaw was found in the GNU Binutils BFD library, a widely used component for handling binary files such
    as object files and executables. The issue occurs when processing specially crafted XCOFF object files,
    where a relocation type value is not properly validated before being used. This can cause the program to
    read memory outside of intended bounds. As a result, affected tools may crash or expose unintended memory
    contents, leading to denial-of-service or limited information disclosure risks.(CVE-2026-4647)

    A flaw was found in GNU Binutils. This heap-based buffer overflow vulnerability, specifically an out-of-
    bounds read in the bfd linker, allows an attacker to gain access to sensitive information. By convincing a
    user to process a specially crafted XCOFF object file, an attacker can trigger this flaw, potentially
    leading to information disclosure or an application level denial of service.(CVE-2026-3441)

    A flaw was found in GNU Binutils. This vulnerability, a heap-based buffer overflow, specifically an out-
    of-bounds read, exists in the bfd linker component. An attacker could exploit this by convincing a user to
    process a specially crafted malicious XCOFF object file. Successful exploitation may lead to the
    disclosure of sensitive information or cause the application to crash, resulting in an application level
    denial of service.(CVE-2026-3442)

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

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2026-2435
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c0000f17");
  script_set_attribute(attribute:"solution", value:
"Update the affected binutils packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/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:L/AC:L/PR:N/UI:R/S:U/C:H/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-2026-3442");

  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:"2026/02/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/06/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/06/27");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:binutils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:binutils-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:binutils-extra");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:binutils-help");
  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) 2026 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/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
  script_exclude_keys("Host/EulerOS/uvp_version");

  exit(0);
}

include("rpm.inc");

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

var _release = get_kb_item("Host/EulerOS/release");
if (isnull(_release) || _release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
var uvp = get_kb_item("Host/EulerOS/uvp_version");
if (_release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP15");

var sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(15)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP15");

if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP15", "EulerOS UVP " + uvp);

if (!get_kb_item("Host/EulerOS/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$" && "aarch64" >!< cpu && "x86" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "x86" >!< cpu) audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu);

var flag = 0;

var pkgs = [
  "binutils-2.41-12.h21510.12.eulerosv2r15",
  "binutils-devel-2.41-12.h21510.12.eulerosv2r15",
  "binutils-extra-2.41-12.h21510.12.eulerosv2r15",
  "binutils-help-2.41-12.h21510.12.eulerosv2r15"
];

foreach (var pkg in pkgs)
  if (rpm_check(release:"EulerOS-2.0", sp:"15", reference:pkg)) 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, "binutils");
}