CVE-2007-2844

Summary

PHP 4.x and 5.x before 5.2.1, when running on multi-threaded systems, does not ensure thread safety for libc crypt function calls using protection schemes such as a mutex, which creates race conditions that allow remote attackers to overwrite internal program memory and gain system access.

Impact & exploitability

AV:N/AC:M/Au:N/C:C/I:C/A:C

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://blog.php-security.org/archives/82-Suhosin-0.9.20-and-crypt-Thread-Safety-Vulnerability.html
• http://osvdb.org/36088
• http://secunia.com/advisories/25434
• http://www.securityfocus.com/bid/24109
• https://exchange.xforce.ibmcloud.com/vulnerabilities/34601