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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
SHA-256 | ca8ad47d3f723a61273cac1700b53c8711537097c80d0745760b2136039712be
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
SHA-256 | 5c1835ce9d97c2296528f8ac7307f5177d1c964c2ef3bec50562a53e37dcd826
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
SHA-256 | c99a6f532bfabc4533d530b609b0c740b77fe5e55545d92a489c34090bde5b63
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
SHA-256 | a1daa7d26bd9b517de4ebaef6d4ee6539c7d30d459adc3616fd1d5f50494d8cd
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
SHA-256 | 1dbb7512ec7de27e0db8351cc57920e4be83a979a014fc97b97b377f755950f1
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
SHA-256 | 9345dc2c41d8927ec523db65c6d7145025cd5746f563f0a1360ea20e8f699bf1
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
SHA-256 | 631180ab4ac8959cbc1fc2b1f193d4d9ef8f6361d6b3551a0853508b741abaf4
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
SHA-256 | c3df4bfd752b1d252e7675808c819927ea0b15f3eb6c0f17bde3866accb51401
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