SUSE SLES15 Security Update : squid (SUSE-SU-2020:1156-1)

critical Nessus Plugin ID 136279

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Synopsis

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

Description

This update for squid to version 4.11 fixes the following issues :

CVE-2020-11945: Fixed a potential remote code execution vulnerability when using HTTP Digest Authentication (bsc#1170313).

CVE-2019-12519, CVE-2019-12521: Fixed incorrect buffer handling that can result in cache poisoning, remote execution, and denial of service attacks when processing ESI responses (bsc#1169659).

CVE-2020-8517: Fixed a possible denial of service caused by incorrect buffer management ext_lm_group_acl when processing NTLM Authentication credentials (bsc#1162691).

CVE-2019-12528: Fixed possible information disclosure when translating FTP server listings into HTTP responses (bsc#1162689).

CVE-2019-18860: Fixed handling of invalid domain names in cachemgr.cgi (bsc#1167373).

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 Server for SAP 15 :

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-1156=1

SUSE Linux Enterprise Server 15-LTSS :

zypper in -t patch SUSE-SLE-Product-SLES-15-2020-1156=1

SUSE Linux Enterprise Module for Server Applications 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2020-1156=1

SUSE Linux Enterprise Module for Server Applications 15-SP1 :

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP1-2020-1156=1

SUSE Linux Enterprise High Performance Computing 15-LTSS :

zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1156=1

SUSE Linux Enterprise High Performance Computing 15-ESPOS :

zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1156=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1162689

https://bugzilla.suse.com/show_bug.cgi?id=1162691

https://bugzilla.suse.com/show_bug.cgi?id=1167373

https://bugzilla.suse.com/show_bug.cgi?id=1169659

https://bugzilla.suse.com/show_bug.cgi?id=1170313

https://www.suse.com/security/cve/CVE-2019-12519/

https://www.suse.com/security/cve/CVE-2019-12521/

https://www.suse.com/security/cve/CVE-2019-12528/

https://www.suse.com/security/cve/CVE-2019-18860/

https://www.suse.com/security/cve/CVE-2020-11945/

https://www.suse.com/security/cve/CVE-2020-8517/

http://www.nessus.org/u?2acfa33b

Plugin Details

Severity: Critical

ID: 136279

File Name: suse_SU-2020-1156-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 5/1/2020

Updated: 3/13/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, 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 Score Source: CVE-2020-11945

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:suse_linux:squid-debuginfo, p-cpe:/a:novell:suse_linux:squid, p-cpe:/a:novell:suse_linux:squid-debugsource, cpe:/o:novell:suse_linux:15

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: 4/30/2020

Vulnerability Publication Date: 2/4/2020

Reference Information

CVE: CVE-2019-12519, CVE-2019-12521, CVE-2019-12528, CVE-2019-18860, CVE-2020-11945, CVE-2020-8517