CentOS 6 / 7 : libgcrypt (CESA-2016:2674)

Medium Nessus Plugin ID 94741

Synopsis

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

Description

An update for libgcrypt is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The libgcrypt library provides general-purpose implementations of various cryptographic algorithms.

Security Fix(es) :

* A design flaw was found in the libgcrypt PRNG (Pseudo-Random Number Generator). An attacker able to obtain the first 580 bytes of the PRNG output could predict the following 20 bytes. (CVE-2016-6313)

Red Hat would like to thank Felix Dorre and Vladimir Klebanov for reporting this issue.

Solution

Update the affected libgcrypt packages.

See Also

http://www.nessus.org/u?731d63f6

http://www.nessus.org/u?f7411ffc

Plugin Details

Severity: Medium

ID: 94741

File Name: centos_RHSA-2016-2674.nasl

Version: 2.7

Type: local

Agent: unix

Published: 2016/11/14

Updated: 2019/10/02

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:libgcrypt, p-cpe:/a:centos:centos:libgcrypt-devel, cpe:/o:centos:centos:6, cpe:/o:centos:centos:7

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2016/11/12

Vulnerability Publication Date: 2016/12/13

Reference Information

CVE: CVE-2016-6313

RHSA: 2016:2674