SUSE SLES11 Security Update : xorg-x11-server (SUSE-SU-2018:3456-1) - Nessus

Medium Plugin ID: 118457

This page contains detailed information about the SUSE SLES11 Security Update : xorg-x11-server (SUSE-SU-2018:3456-1) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 118457
Name: SUSE SLES11 Security Update : xorg-x11-server (SUSE-SU-2018:3456-1)
Filename: suse_SU-2018-3456-1.nasl
Vulnerability Published: 2018-10-25
This Plugin Published: 2018-10-26
Last Modification Time: 2021-01-19
Plugin Version: 1.8
Plugin Type: local
Plugin Family: SuSE Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/cpu, Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list

Vulnerability Information

Severity: Medium
Vulnerability Published: 2018-10-25
Patch Published: 2018-10-25
CVE [?]: CVE-2018-14665
CPE [?]: cpe:/o:novell:suse_linux:11, p-cpe:/a:novell:suse_linux:xorg-x11-Xvnc, p-cpe:/a:novell:suse_linux:xorg-x11-server, p-cpe:/a:novell:suse_linux:xorg-x11-server-extra
In the News: True

Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for xorg-x11-server provides the following fix :

Security issue fixed :

CVE-2018-14665: Local attackers could overwrite system files in any directory using the -logfile option and gain privileges (bsc#1111697)

Non security issues fixed: Do not write past the allocated buffer. (bsc#1078383)

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

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 11-SP4:zypper in -t patch sdksp4-xorg-x11-server-13843=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-xorg-x11-server-13843=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch slessp3-xorg-x11-server-13843=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch sleposp3-xorg-x11-server-13843=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-xorg-x11-server-13843=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch dbgsp3-xorg-x11-server-13843=1

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB, GitHub)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the SUSE SLES11 Security Update : xorg-x11-server (SUSE-SU-2018:3456-1) vulnerability:

Metasploit: exploit/multi/local/xorg_x11_suid_server
[Xorg X11 Server SUID privilege escalation]
Metasploit: exploit/multi/local/xorg_x11_suid_server_modulepath
[Xorg X11 Server SUID privilege escalation]
Metasploit: exploit/aix/local/xorg_x11_server
[Xorg X11 Server Local Privilege Escalation]
Metasploit: exploit/multi/local/xorg_x11_suid_server
[Xorg X11 Server SUID logfile Privilege Escalation]
Metasploit: exploit/multi/local/xorg_x11_suid_server_modulepath
[Xorg X11 Server SUID modulepath Privilege Escalation]
Exploit-DB: exploits/multiple/local/45697.txt
[EDB-45697: xorg-x11-server < 1.20.3 - Local Privilege Escalation]
Exploit-DB: exploits/openbsd/local/45742.sh
[EDB-45742: xorg-x11-server 1.20.3 - Privilege Escalation]
Exploit-DB: exploits/linux/local/45832.py
[EDB-45832: xorg-x11-server < 1.20.1 - Local Privilege Escalation]
Exploit-DB: exploits/multiple/local/45908.rb
[EDB-45908: Xorg X11 Server - SUID privilege escalation (Metasploit)]
Exploit-DB: exploits/multiple/local/45922.sh
[EDB-45922: xorg-x11-server < 1.20.3 - 'modulepath' Local Privilege Escalation]
Exploit-DB: exploits/aix/local/45938.pl
[EDB-45938: Xorg X11 Server (AIX) - Local Privilege Escalation]
Exploit-DB: exploits/solaris/local/46142.sh
[EDB-46142: xorg-x11-server < 1.20.3 (Solaris 11) - 'inittab Local Privilege Escalation]
Exploit-DB: exploits/unix/local/47701.rb
[EDB-47701: Xorg X11 Server - Local Privilege Escalation (Metasploit)]
GitHub: https://github.com/0xdea/exploits
[CVE-2018-14665]
GitHub: https://github.com/Apri1y/Red-Team-links
[CVE-2018-14665]
GitHub: https://github.com/Echocipher/Resource-list
[CVE-2018-14665]
GitHub: https://github.com/anoaghost/Localroot_Compile
[CVE-2018-14665]
GitHub: https://github.com/bolonobolo/CVE-2018-14665
[CVE-2018-14665]
GitHub: https://github.com/hackerhouse-opensource/exploits
[CVE-2018-14665]
GitHub: https://github.com/hudunkey/Red-Team-links
[CVE-2018-14665]
GitHub: https://github.com/john-80/-007
[CVE-2018-14665]
GitHub: https://github.com/jondonas/linux-exploit-suggester-2
[CVE-2018-14665]
GitHub: https://github.com/lp008/Hack-readme
[CVE-2018-14665]
GitHub: https://github.com/samueldustin/cve-2018-14665
[CVE-2018-14665]
GitHub: https://github.com/slimdaddy/RedTeam
[CVE-2018-14665]
GitHub: https://github.com/xiaoZ-hc/redtool
[CVE-2018-14665]
GitHub: https://twitter.com/hackerfantastic/status/1055517801224396800
[CVE-2018-14665]
GitHub: https://github.com/jas502n/CVE-2018-14665
[CVE-2018-14665: OpenBsd_CVE-2018-14665]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS V2 Vector [?]: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C

CVSS Base Score:	7.2 (High)
Impact Subscore:	10.0
Exploitability Subscore:	3.9
CVSS Temporal Score:	6.0 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.0 (Medium)

CVSS V3 Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

CVSS Base Score:	6.6 (Medium)
Impact Subscore:	5.9
Exploitability Subscore:	0.7
CVSS Temporal Score:	6.1 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.1 (Medium)

STIG Severity [?]: I
STIG Risk Rating: High

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Plugin Source

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2018:3456-1.
# The text itself is copyright (C) SUSE.
#

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

if (description)
{
  script_id(118457);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2018-14665");
  script_xref(name:"IAVB", value:"2018-B-0140");

  script_name(english:"SUSE SLES11 Security Update : xorg-x11-server (SUSE-SU-2018:3456-1)");
  script_summary(english:"Checks rpm output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote SUSE host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update for xorg-x11-server provides the following fix :

Security issue fixed :

CVE-2018-14665: Local attackers could overwrite system files in any
directory using the -logfile option and gain privileges (bsc#1111697)

Non security issues fixed: Do not write past the allocated buffer.
(bsc#1078383)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1078383"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1111697"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2018-14665/"
  );
  # https://www.suse.com/support/update/announcement/2018/suse-su-20183456-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?6bfca343"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 11-SP4:zypper in -t
patch sdksp4-xorg-x11-server-13843=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch
slessp4-xorg-x11-server-13843=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch
slessp3-xorg-x11-server-13843=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch
sleposp3-xorg-x11-server-13843=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch
dbgsp4-xorg-x11-server-13843=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch
dbgsp3-xorg-x11-server-13843=1"
  );
  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:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Xorg X11 Server SUID privilege escalation');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-Xvnc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-server-extra");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/10/25");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/10/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/10/26");
  script_set_attribute(attribute:"in_the_news", value:"true");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"SuSE Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  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/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES11", "SUSE " + os_ver);

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

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES11" && (! preg(pattern:"^(3|4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP3/4", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES11", sp:"4", reference:"xorg-x11-Xvnc-7.4-27.122.21.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"xorg-x11-server-7.4-27.122.21.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"xorg-x11-server-extra-7.4-27.122.21.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"xorg-x11-Xvnc-7.4-27.122.21.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"xorg-x11-server-7.4-27.122.21.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"xorg-x11-server-extra-7.4-27.122.21.1")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "xorg-x11-server");
}

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/suse_SU-2018-3456-1.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\suse_SU-2018-3456-1.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/suse_SU-2018-3456-1.nasl

Go back to menu.

How to Run

Here is how to run the SUSE SLES11 Security Update : xorg-x11-server (SUSE-SU-2018:3456-1) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select SuSE Local Security Checks plugin family.
On the right side table select SUSE SLES11 Security Update : xorg-x11-server (SUSE-SU-2018:3456-1) plugin ID 118457.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl suse_SU-2018-3456-1.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a suse_SU-2018-3456-1.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - suse_SU-2018-3456-1.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state suse_SU-2018-3456-1.nasl -t <IP/HOST>

Go back to menu.

References

IAVB | Information Assurance Vulnerability Bulletin:

2018-B-0140

See also:

Similar and related Nessus plugins:

119626 - AIX 6.1 TL 9 : xorg (IJ11000)
119627 - AIX 7.1 TL 4 : xorg (IJ11544)
119628 - AIX 7.1 TL 5 : xorg (IJ11545)
119629 - AIX 7.2 TL 0 : xorg (IJ11546)
119630 - AIX 7.2 TL 1 : xorg (IJ11547)
119631 - AIX 7.2 TL 2 : xorg (IJ11549)
119632 - AIX 7.2 TL 3 : xorg (IJ11550)
119633 - AIX 5.3 TL 12 : xorg (IJ11551)
119006 - CentOS 7 : xorg-x11-server (CESA-2018:3410)
118474 - Debian DSA-4328-1 : xorg-server - security update
130832 - EulerOS 2.0 SP8 : xorg-x11-server (EulerOS-SA-2019-2123)
131913 - EulerOS 2.0 SP2 : xorg-x11-server (EulerOS-SA-2019-2421)
131827 - EulerOS 2.0 SP5 : xorg-x11-server (EulerOS-SA-2019-2553)
132218 - EulerOS 2.0 SP3 : xorg-x11-server (EulerOS-SA-2019-2683)
132816 - EulerOS Virtualization for ARM 64 3.0.5.0 : xorg-x11-server (EulerOS-SA-2020-1062)
134525 - EulerOS Virtualization for ARM 64 3.0.2.0 : xorg-x11-server (EulerOS-SA-2020-1236)
120398 - Fedora 29 : xorg-x11-server (2018-4ab08fedd6)
120575 - Fedora 28 : xorg-x11-server (2018-839720583a)
118509 - GLSA-201810-09 : X.Org X Server: Privilege escalation
127225 - NewStart CGSL CORE 5.04 / MAIN 5.04 : xorg-x11-server Vulnerability (NS-SA-2019-0045)
119025 - openSUSE Security Update : xorg-x11-server (openSUSE-2018-1420)
123375 - openSUSE Security Update : xorg-x11-server (openSUSE-2019-915)
118812 - Oracle Linux 7 : xorg-x11-server (ELSA-2018-3410)
118557 - RHEL 7 : xorg-x11-server (RHSA-2018:3410)
119207 - Scientific Linux Security Update : xorg-x11-server on SL7.x x86_64 (20181031)
120159 - SUSE SLED15 / SLES15 Security Update : xorg-x11-server (SUSE-SU-2018:3680-1)
118492 - Ubuntu 16.04 LTS / 18.04 LTS / 18.10 : X.Org X server vulnerability (USN-3802-1)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file suse_SU-2018-3456-1.nasl version 1.8. For more plugins, visit the Nessus Plugin Library.

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SUSE SLES11 Security Update : xorg-x11-server (SUSE-SU-2018:3456-1) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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