SUSE SLED15 / SLES15 Security Update : gnutls (SUSE-SU-2018:2930-1)

Medium Nessus Plugin ID 120112

Synopsis

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

Description

This update for gnutls fixes the following security issues :

Improved mitigations against Lucky 13 class of attacks

CVE-2018-10846: 'Just in Time' PRIME + PROBE cache-based side channel attack can lead to plaintext recovery (bsc#1105460)

CVE-2018-10845: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant (bsc#1105459)

CVE-2018-10844: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls (bsc#1105437)

CVE-2017-10790: The _asn1_check_identifier function in Libtasn1 caused a NULL pointer dereference and crash (bsc#1047002)

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 Module for Desktop Applications 15:zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2018-2070=1

SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-2070=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1047002

https://bugzilla.suse.com/show_bug.cgi?id=1105437

https://bugzilla.suse.com/show_bug.cgi?id=1105459

https://bugzilla.suse.com/show_bug.cgi?id=1105460

https://www.suse.com/security/cve/CVE-2017-10790/

https://www.suse.com/security/cve/CVE-2018-10844/

https://www.suse.com/security/cve/CVE-2018-10845/

https://www.suse.com/security/cve/CVE-2018-10846/

http://www.nessus.org/u?8828fca1

Plugin Details

Severity: Medium

ID: 120112

File Name: suse_SU-2018-2930-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2019/01/02

Updated: 2019/01/02

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

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

CVSS v3.0

Base Score: 7.5

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:gnutls, p-cpe:/a:novell:suse_linux:gnutls-debuginfo, p-cpe:/a:novell:suse_linux:gnutls-debugsource, p-cpe:/a:novell:suse_linux:libgnutls-devel, p-cpe:/a:novell:suse_linux:libgnutls30, p-cpe:/a:novell:suse_linux:libgnutls30-32bit-debuginfo, p-cpe:/a:novell:suse_linux:libgnutls30-debuginfo, p-cpe:/a:novell:suse_linux:libgnutlsxx-devel, p-cpe:/a:novell:suse_linux:libgnutlsxx28, p-cpe:/a:novell:suse_linux:libgnutlsxx28-debuginfo, cpe:/o:novell:suse_linux:15

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

Patch Publication Date: 2018/09/28

Reference Information

CVE: CVE-2017-10790, CVE-2018-10844, CVE-2018-10845, CVE-2018-10846