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SUSE SLED12 / SLES12 Security Update : libnettle (SUSE-SU-2017:1481-1)

high Nessus Plugin ID 100614

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Synopsis

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

Description

This update for libnettle fixes the following issues :

 - CVE-2016-6489 :

 - Reject invalid RSA keys with even modulo.

 - Check for invalid keys, with even p, in dsa_sign().

 - Use function mpz_powm_sec() instead of mpz_powm() (bsc#991464).

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 YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 12-SP2:zypper in -t patch SUSE-SLE-SDK-12-SP2-2017-910=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2017-910=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-910=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-910=1

To bring your system up-to-date, use 'zypper patch'.

See Also

https://bugzilla.suse.com/show_bug.cgi?id=991464

https://www.suse.com/security/cve/CVE-2016-6489/

http://www.nessus.org/u?63e505ff

Plugin Details

Severity: High

ID: 100614

File Name: suse_SU-2017-1481-1.nasl

Version: 3.7

Type: local

Agent: unix

Published: 6/5/2017

Updated: 1/6/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

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:H/I:N/A:N

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libhogweed2, p-cpe:/a:novell:suse_linux:libhogweed2-debuginfo, p-cpe:/a:novell:suse_linux:libnettle-debugsource, p-cpe:/a:novell:suse_linux:libnettle4, p-cpe:/a:novell:suse_linux:libnettle4-debuginfo

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: 6/2/2017

Vulnerability Publication Date: 4/14/2017

Reference Information

CVE: CVE-2016-6489