Oracle Linux 6 / 7 : libgcrypt (ELSA-2016-2674)
Medium Nessus Plugin ID 94622
SynopsisThe remote Oracle Linux host is missing one or more security updates.
DescriptionFrom Red Hat Security Advisory 2016:2674 :
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.
SolutionUpdate the affected libgcrypt packages.