Oracle Linux 10 : vim (ELSA-2026-48650)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2026-48650.
##

include('compat.inc');

if (description)
{
  script_id(331298);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/30");

  script_cve_id(
    "CVE-2026-55693",
    "CVE-2026-57455",
    "CVE-2026-57456",
    "CVE-2026-59856",
    "CVE-2026-59858"
  );

  script_name(english:"Oracle Linux 10 : vim (ELSA-2026-48650)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in
the ELSA-2026-48650 advisory.

    - RHEL-201113 CVE-2026-59856 vim: potential command execution in PHP
      omni-completion
    - RHEL-203857 CVE-2026-59858 vim: arbitrary Ex command execution
      during C omni-completion
    - RHEL-194059 CVE-2026-55693 vim: out-of-bounds write in tree_count_words()
    - RHEL-191359 CVE-2026-57455 vim: Out-of-bounds write with soundfold()
    - RHEL-192105 CVE-2026-57456 vim: possible code execution with python complete
    - RHEL-186660 CVE-2026-47162 vim: netrw code injection via NetrwBookHistSave()
    - RHEL-186671 CVE-2026-52858 vim: possible code execution with python3complete
    - RHEL-185867 CVE-2026-47167 vim: Code Injection in cucumber filetype plugin
    - RHEL-178233 CVE-2026-46483 vim: command injection in tar plugin

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

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://linux.oracle.com/errata/ELSA-2026-48650.html");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  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:POC/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:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:P");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-59858");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/06/25");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/07/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/30");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:10:2:baseos_patch");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:vim-X11");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:vim-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:vim-data");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:vim-enhanced");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:vim-filesystem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:vim-minimal");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:xxd");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Oracle Linux 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/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/local_checks_enabled");

  exit(0);
}


include('rpm2.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_product = get_kb_item('installed_os/local/SSH/0/product');
if (isnull(os_product) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:os_product)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
if (! preg(pattern:"^10([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'Oracle Linux 10.x', 'Oracle Linux ' + os_version);

if (!get_kb_item('Host/RedHat/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) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Oracle Linux', cpu);

var constraints = [
  {
    'release': '10',
    'pkgs': [
      {'reference':'vim-X11-9.1.083-9.0.1.el10_2.12', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-common-9.1.083-9.0.1.el10_2.12', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-data-9.1.083-9.0.1.el10_2.12', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-enhanced-9.1.083-9.0.1.el10_2.12', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-filesystem-9.1.083-9.0.1.el10_2.12', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-minimal-9.1.083-9.0.1.el10_2.12', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'xxd-9.1.083-9.0.1.el10_2.12', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-X11-9.1.083-9.0.1.el10_2.12', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-common-9.1.083-9.0.1.el10_2.12', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-data-9.1.083-9.0.1.el10_2.12', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-enhanced-9.1.083-9.0.1.el10_2.12', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-filesystem-9.1.083-9.0.1.el10_2.12', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'vim-minimal-9.1.083-9.0.1.el10_2.12', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
      {'reference':'xxd-9.1.083-9.0.1.el10_2.12', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'}
    ]
  }
];

var os_release = get_one_kb_item('installed_os/local/SSH/0/release');
var os_sp = get_one_kb_item('Host/*/minor_release');

var flag = 0;
var reference;
var sp;
var _cpu;
var el_string;
var rpm_spec_vers_cmp;
var epoch;
var allowmaj;
var exists_check;
var cves;
foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }
  if (!empty_or_null(constraint['sp'])){
    if (constraint['sp'] != os_sp) continue;
  }
  foreach var pkg ( constraint['pkgs'] ) {
    reference = NULL;
    sp = NULL;
    _cpu = NULL;
    el_string = NULL;
    rpm_spec_vers_cmp = NULL;
    epoch = NULL;
    allowmaj = NULL;
    exists_check = NULL;
    cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        ## (no known rpm to check OR known rpm_exists)
        (!exists_check || rpm_exists(rpm:exists_check)) &&
        rpm_check(sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      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, 'vim-X11 / vim-common / vim-data / etc');
}