NULL Pointer Dereference Affecting postgresql-libs package, versions <0:9.2.18-1.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Apr 2022
- disclosed9 Dec 2016
Introduced: 9 Dec 2016
CVE-2016-5423 (opens in a new tab)How to fix?
Upgrade Oracle:7 postgresql-libs to version 0:9.2.18-1.el7 or higher.
This issue was patched in ELSA-2016-2606.
NVD Description
Note: Versions mentioned in the description apply only to the upstream postgresql-libs package and not the postgresql-libs package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated users to cause a denial of service (NULL pointer dereference and server crash), obtain sensitive memory information, or possibly execute arbitrary code via (1) a CASE expression within the test value subexpression of another CASE or (2) inlining of an SQL function that implements the equality operator used for a CASE expression involving values of different types.
References
- https://linux.oracle.com/cve/CVE-2016-5423.html
- https://linux.oracle.com/errata/ELSA-2016-2606.html
- http://rhn.redhat.com/errata/RHSA-2016-1781.html
- http://rhn.redhat.com/errata/RHSA-2016-1820.html
- http://rhn.redhat.com/errata/RHSA-2016-1821.html
- http://rhn.redhat.com/errata/RHSA-2016-2606.html
- http://www.debian.org/security/2016/dsa-3646
- http://www.securityfocus.com/bid/92433
- http://www.securitytracker.com/id/1036617
- https://access.redhat.com/errata/RHSA-2017:2425
- https://bugzilla.redhat.com/show_bug.cgi?id=1364001
- https://security.gentoo.org/glsa/201701-33
- https://www.postgresql.org/about/news/1688/
- https://www.postgresql.org/docs/current/static/release-9-1-23.html
- https://www.postgresql.org/docs/current/static/release-9-2-18.html
- https://www.postgresql.org/docs/current/static/release-9-3-14.html
- https://www.postgresql.org/docs/current/static/release-9-4-9.html
- https://www.postgresql.org/docs/current/static/release-9-5-4.html