CVE-2007-1453
HIGH severity · CVSS 7.5
7.5CVSS HIGH
Summary
Buffer underflow in the PHP_FILTER_TRIM_DEFAULT macro in the filtering extension (ext/filter) in PHP 5.2.0 allows context-dependent attackers to execute arbitrary code by calling filter_var with certain modes such as FILTER_VALIDATE_INT, which causes filter to write a null byte in whitespace that precedes the buffer.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)10%
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://secunia.com/advisories/25056
- http://secunia.com/advisories/25062
- http://www.debian.org/security/2007/dsa-1283
- http://www.novell.com/linux/security/advisories/2007_32_php.html
- http://www.php-security.org/MOPB/MOPB-19-2007.html
- http://www.php.net/releases/5_2_1.php
- http://www.securityfocus.com/bid/22922Exploit