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SUSE SLES11 Security Update : python (SUSE-SU-2018:3156-1)

high Nessus Plugin ID 118171

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Synopsis

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

Description

This update for python fixes the following issue :

CVE-2018-14647: Python's elementtree C accelerator failed to initialise Expat's hash salt during initialization. This could make it easy to conduct denial of service attacks against Expat by constructing an XML document that would cause pathological hash collisions in Expat's internal data structures, consuming large amounts CPU and RAM (bsc#1109847)

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-python-13818=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-python-13818=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-python-13818=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1109847

https://www.suse.com/security/cve/CVE-2018-14647/

http://www.nessus.org/u?478b49e9

Plugin Details

Severity: High

ID: 118171

File Name: suse_SU-2018-3156-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 10/17/2018

Updated: 7/30/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-14647

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:python, p-cpe:/a:novell:suse_linux:libpython2_6, p-cpe:/a:novell:suse_linux:python-curses, p-cpe:/a:novell:suse_linux:python-demo, p-cpe:/a:novell:suse_linux:libpython2_6-1_0, p-cpe:/a:novell:suse_linux:python-base, p-cpe:/a:novell:suse_linux:python-gdbm, cpe:/o:novell:suse_linux:11, p-cpe:/a:novell:suse_linux:python-idle, p-cpe:/a:novell:suse_linux:python-tk, p-cpe:/a:novell:suse_linux:python-xml

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/16/2018

Vulnerability Publication Date: 9/25/2018

Reference Information

CVE: CVE-2018-14647