MiracleLinux 7 : openssh-7.4p1-11.el7 (AXSA:2017-1912:03)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# Miracle Linux Security Advisory AXSA:2017-1912:03.
##

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

if (description)
{
  script_id(289518);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/16");

  script_cve_id("CVE-2016-10009", "CVE-2016-10011", "CVE-2016-10012");

  script_name(english:"MiracleLinux 7 : openssh-7.4p1-11.el7 (AXSA:2017-1912:03)");

  script_set_attribute(attribute:"synopsis", value:
"The remote MiracleLinux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the
AXSA:2017-1912:03 advisory.

    SSH (Secure SHell) is a program for logging into and executing
    commands on a remote machine. SSH is intended to replace rlogin and
    rsh, and to provide secure encrypted communications between two
    untrusted hosts over an insecure network. X11 connections and
    arbitrary TCP/IP ports can also be forwarded over the secure channel.
    OpenSSH is OpenBSD's version of the last free version of SSH, bringing
    it up to date in terms of security and features.
    This package includes the core files necessary for both the OpenSSH
    client and server. To make this package useful, you should also
    install openssh-clients, openssh-server, or both.
    CVE-2016-10009
    Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH
     before 7.2 allows remote attackers to execute arbitrary local PKCS#11
    modules by leveraging control over a forwarded agent-socket.
    CVE-2016-10011
    authfile.c in sshd in OpenSSH before 7.2 does not properly consider the
    effects of realloc on buffer contents, which might allow local users to obtain
     sensitive private-key information by leveraging access to a
    privilege-separated child process.
    CVE-2016-10012
    The shared memory manager (associated with pre-authentication compression)
     in sshd in OpenSSH before 7.2 does not ensure that a bounds check is
    enforced by all compilers, which might allows local users to gain privileges by
     leveraging access to a sandboxed privilege-separation process, related to the
     m_zback and m_zlib data structures.

Tenable has extracted the preceding description block directly from the MiracleLinux 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://tsn.miraclelinux.com/en/node/8345");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  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:L/UI:N/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:"cvss_score_source", value:"CVE-2016-10009");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2016-10012");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/12/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/08/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/01/16");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:openssh");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:openssh-askpass");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:openssh-clients");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:openssh-keycat");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:openssh-server");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:miracle:linux:7");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Miracle 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/local_checks_enabled", "Host/MiracleLinux/release", "Host/MiracleLinux/rpm-list", "Host/cpu");

  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) || 'MIRACLE LINUX' >!< os_product) audit(AUDIT_OS_NOT, 'MIRACLE LINUX');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'MIRACLE LINUX');
if (! preg(pattern:"^7([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'MiracleLinux 7.x', 'MIRACLE LINUX ' + os_version);

if (!get_kb_item('Host/MiracleLinux/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('aarch64' >!< cpu && 'ppc' >!< cpu && 's390' >!< cpu && 'x86_64' >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'MIRACLE LINUX', cpu);

var constraints = [
  {
    'release': '7',
    'pkgs': [
      {'reference':'openssh-7.4p1-11.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'openssh-askpass-7.4p1-11.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'openssh-clients-7.4p1-11.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'openssh-keycat-7.4p1-11.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'openssh-server-7.4p1-11.el7', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE}
    ]
  }
];

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, 'openssh / openssh-askpass / openssh-clients / openssh-keycat / etc');
}