Vulnerability Description
The php_pgsql_meta_data function in pgsql.c in the PostgreSQL (aka pgsql) extension in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 does not validate token extraction for table names, which might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted name. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1352.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Enterprise Linux | 6.0 |
| Php | Php | <= 5.4.41 |
References
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2cc4e69cc6d8dbc4b3568ad3dd58332
- http://openwall.com/lists/oss-security/2015/06/18/6
- http://php.net/ChangeLog-5.php
- http://rhn.redhat.com/errata/RHSA-2015-1186.html
- http://rhn.redhat.com/errata/RHSA-2015-1187.html
- http://www.debian.org/security/2015/dsa-3344
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.h
- http://www.securityfocus.com/bid/75292
- http://www.securitytracker.com/id/1032709
- https://bugs.php.net/bug.php?id=69667
- https://security.gentoo.org/glsa/201606-10
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2cc4e69cc6d8dbc4b3568ad3dd58332
- http://openwall.com/lists/oss-security/2015/06/18/6
- http://php.net/ChangeLog-5.php
- http://rhn.redhat.com/errata/RHSA-2015-1186.html
FAQ
What is CVE-2015-4644?
CVE-2015-4644 is a vulnerability with a CVSS score of 7.5 (HIGH). The php_pgsql_meta_data function in pgsql.c in the PostgreSQL (aka pgsql) extension in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 does not validate token extraction for table name...
How severe is CVE-2015-4644?
CVE-2015-4644 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-4644?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux, Php Php.