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

medium Nessus Plugin ID 94741

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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: 2.9

Type: local

Agent: unix

Published: 11/14/2016

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 2.2

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 Score Source: CVE-2016-6313

CVSS v3

Risk Factor: Medium

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2016

Vulnerability Publication Date: 12/13/2016

Reference Information

CVE: CVE-2016-6313

RHSA: 2016:2674