Untrusted Pointer Dereference Affecting postgresql92 package, versions <0:9.2.18-1.59.amzn1
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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- published27 Sept 2021
- disclosed9 Dec 2016
Introduced: 9 Dec 2016
CVE-2016-5423 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 postgresql92 to version 0:9.2.18-1.59.amzn1 or higher.
This issue was patched in ALAS-2016-747.
NVD Description
Note: Versions mentioned in the description apply only to the upstream postgresql92 package and not the postgresql92 package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 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
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5423
- 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