openSUSE Security Update : libX11 (openSUSE-2019-750)

critical Nessus Plugin ID 123321

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for libX11 fixes the following security issues :

- CVE-2018-14599: The function XListExtensions was vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact (bsc#1102062)

- CVE-2018-14600: The function XListExtensions interpreted a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution (bsc#1102068)

- CVE-2018-14598: A malicious server could have sent a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault) (bsc#1102073)

This update was imported from the SUSE:SLE-15:Update update project.

Solution

Update the affected libX11 packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1102062

https://bugzilla.opensuse.org/show_bug.cgi?id=1102068

https://bugzilla.opensuse.org/show_bug.cgi?id=1102073

Plugin Details

Severity: Critical

ID: 123321

File Name: openSUSE-2019-750.nasl

Version: 1.4

Type: local

Agent: unix

Published: 3/27/2019

Updated: 1/19/2021

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:libx11-6, p-cpe:/a:novell:opensuse:libx11-6-32bit, p-cpe:/a:novell:opensuse:libx11-6-32bit-debuginfo, p-cpe:/a:novell:opensuse:libx11-6-debuginfo, p-cpe:/a:novell:opensuse:libx11-data, p-cpe:/a:novell:opensuse:libx11-debugsource, p-cpe:/a:novell:opensuse:libx11-devel, p-cpe:/a:novell:opensuse:libx11-devel-32bit, p-cpe:/a:novell:opensuse:libx11-xcb1, p-cpe:/a:novell:opensuse:libx11-xcb1-32bit, p-cpe:/a:novell:opensuse:libx11-xcb1-32bit-debuginfo, p-cpe:/a:novell:opensuse:libx11-xcb1-debuginfo, cpe:/o:novell:opensuse:15.0

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 3/23/2019

Vulnerability Publication Date: 8/24/2018

Reference Information

CVE: CVE-2018-14598, CVE-2018-14599, CVE-2018-14600