RHSA-2016:1060 - Security Advisory

Topic

An update for postgresql92-postgresql is now available for Red Hat Satellite 5.7.

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.

Description

PostgreSQL is an advanced object-relational database management system (DBMS).

Security Fix(es):

• An integer overflow flaw, leading to a heap-based buffer overflow, was found in the PostgreSQL handling code for regular expressions. A remote attacker could use a specially crafted regular expression to cause PostgreSQL to crash or possibly execute arbitrary code. (CVE-2016-0773)

Red Hat would like to thank PostgreSQL upstream for reporting this issue. Upstream acknowledges Tom Lane and Greg Stark as the original reporters.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

For this update to take effect, Red Hat Satellite must be restarted ("/usr/sbin/rhn-satellite restart"). If the postgresql service is running, it will be automatically restarted after installing this update.

Affected Products

• Red Hat Satellite 5.7 x86_64
• Red Hat Satellite 5.7 s390x
• Red Hat Satellite 5 Managed DB 5.7 x86_64
• Red Hat Satellite 5 Managed DB 5.7 s390x

Fixes

• BZ - 1303832 - CVE-2016-0773 postgresql: case insensitive range handling integer overflow leading to buffer overflow

CVEs

• CVE-2016-0773

References

• http://www.redhat.com/security/updates/classification/#normal