Input validation error in PHP - CVE-2012-3450
Published: August 6, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43771
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2012-3450
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
pdo_sql_parser.re in the PDO extension in PHP before 5.3.14 and 5.4.x before 5.4.4 does not properly determine the end of the query string during parsing of prepared statements, which allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted parameter value.
How to mitigate CVE-2012-3450
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00021.html
- http://seclists.org/bugtraq/2012/Jun/60
- http://www.debian.org/security/2012/dsa-2527
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:108
- http://www.openwall.com/lists/oss-security/2012/08/02/3
- http://www.openwall.com/lists/oss-security/2012/08/02/7
- http://www.php.net/ChangeLog-5.php
- http://www.ubuntu.com/usn/USN-1569-1
- https://bugs.php.net/bug.php?id=61755
- https://bugzilla.novell.com/show_bug.cgi?id=769785