RHEL 6 : openssl (RHSA-2016:2802)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

An update for openssl is now available for Red Hat Enterprise Linux
6.2 Advanced Update Support, Red Hat Enterprise Linux 6.4 Advanced
Update Support, Red Hat Enterprise Linux 6.5 Advanced Update Support,
Red Hat Enterprise Linux 6.5 Telco Extended Update Support, Red Hat
Enterprise Linux 6.6 Advanced Update Support, Red Hat Enterprise Linux
6.6 Telco Extended Update Support, and Red Hat Enterprise Linux 6.7
Extended Update Support.

Red Hat Product Security has rated this update as having a security
impact of Important. 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.

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL)
and Transport Layer Security (TLS) protocols, as well as a
full-strength general-purpose cryptography library.

Security Fix(es) :

* A memory leak flaw was found in the way OpenSSL handled TLS status
request extension data during session renegotiation. A remote attacker
could cause a TLS server using OpenSSL to consume an excessive amount
of memory and, possibly, exit unexpectedly after exhausting all
available memory, if it enabled OCSP stapling support. (CVE-2016-6304)

Red Hat would like to thank the OpenSSL project for reporting this
issue. Upstream acknowledges Shi Lei (Gear Team of Qihoo 360 Inc.) as
the original reporter.

See also :

https://www.redhat.com/security/data/cve/CVE-2016-6304.html
https://www.openssl.org/news/secadv/20160922.txt
http://rhn.redhat.com/errata/RHSA-2016-2802.html

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.8
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Red Hat Local Security Checks

Nessus Plugin ID: 94937 ()

Bugtraq ID:

CVE ID: CVE-2016-6304

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