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CVE-2016-5423

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2017-2425-01
Posted Aug 7, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2425-01 - PostgreSQL is an advanced object-relational database management system. The following packages have been upgraded to a later upstream version: rh-postgresql95-postgresql. Security Fix: A flaw was found in the way PostgreSQL server handled certain SQL statements containing CASE/WHEN commands. A remote, authenticated attacker could use a specially crafted SQL statement to cause PostgreSQL to crash or disclose a few bytes of server memory or possibly execute arbitrary code.

tags | advisory, remote, arbitrary
systems | linux, redhat
advisories | CVE-2016-5423, CVE-2016-5424, CVE-2017-7484, CVE-2017-7485, CVE-2017-7486
MD5 | 263221ff22eba88ab8c3e3bb948618c2
Gentoo Linux Security Advisory 201701-33
Posted Jan 13, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201701-33 - Multiple vulnerabilities have been found in PostgreSQL, the worst of which could result in execution of arbitrary code or privilege escalation. Versions less than 9.5.4 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2015-5288, CVE-2015-5289, CVE-2016-0766, CVE-2016-0773, CVE-2016-5423, CVE-2016-5424
MD5 | a0a42a52ab574f186c1c5bdb233ebd96
Red Hat Security Advisory 2016-2606-02
Posted Nov 4, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-2606-02 - PostgreSQL is an advanced object-relational database management system. The following packages have been upgraded to a newer upstream version: postgresql. Security Fix: A flaw was found in the way PostgreSQL server handled certain SQL statements containing CASE/WHEN commands. A remote, authenticated attacker could use a specially crafted SQL statement to cause PostgreSQL to crash or disclose a few bytes of server memory or possibly execute arbitrary code.

tags | advisory, remote, arbitrary
systems | linux, redhat
advisories | CVE-2016-5423, CVE-2016-5424
MD5 | f62cd15383cbb7260eab63af0b2e5802
Red Hat Security Advisory 2016-1821-01
Posted Sep 8, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1821-01 - PostgreSQL is an advanced object-relational database management system. A flaw was found in the way PostgreSQL server handled certain SQL statements containing CASE/WHEN commands. A remote, authenticated attacker could use a specially crafted SQL statement to cause PostgreSQL to crash or disclose a few bytes of server memory or possibly execute arbitrary code.

tags | advisory, remote, arbitrary
systems | linux, redhat
advisories | CVE-2016-5423, CVE-2016-5424
MD5 | 072c0cf4cc248224a883ed3f69af8300
Red Hat Security Advisory 2016-1820-01
Posted Sep 8, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1820-01 - PostgreSQL is an advanced object-relational database management system. A flaw was found in the way PostgreSQL server handled certain SQL statements containing CASE/WHEN commands. A remote, authenticated attacker could use a specially crafted SQL statement to cause PostgreSQL to crash or disclose a few bytes of server memory or possibly execute arbitrary code.

tags | advisory, remote, arbitrary
systems | linux, redhat
advisories | CVE-2016-5423, CVE-2016-5424
MD5 | 03845ea8c78fe03beb2a9d6be120a391
Red Hat Security Advisory 2016-1781-01
Posted Aug 31, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1781-01 - PostgreSQL is an advanced object-relational database management system. The following packages have been upgraded to a newer upstream version: rh-postgresql94-postgresql. Security Fix: A flaw was found in the way PostgreSQL server handled certain SQL statements containing CASE/WHEN commands. A remote, authenticated attacker could use a specially crafted SQL statement to cause PostgreSQL to crash or disclose a few bytes of server memory or possibly execute arbitrary code.

tags | advisory, remote, arbitrary
systems | linux, redhat
advisories | CVE-2016-5423, CVE-2016-5424
MD5 | d984c87f8aa64fb9c2060ef07a3e179c
Ubuntu Security Notice USN-3066-1
Posted Aug 21, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3066-1 - Heikki Linnakangas discovered that PostgreSQL incorrectly handled certain nested CASE/WHEN expressions. A remote attacker could possibly use this issue to cause PostgreSQL to crash, resulting in a denial of service. Nathan Bossart discovered that PostgreSQL incorrectly handled special characters in database and role names. A remote attacker could possibly use this issue to escalate privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2016-5423, CVE-2016-5424
MD5 | beaa52c9344231881104f8b0dfacf6a1
Debian Security Advisory 3646-1
Posted Aug 12, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3646-1 - Several vulnerabilities have been found in PostgreSQL-9.4, a SQL database system.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2016-5423, CVE-2016-5424
MD5 | 3d425ee1476ecf8aaafd253953aebdca
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