CVE-2007-2844
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 2.86% probability · 86th percentile
- CISA KEV
- Not listed
- Affected
- php/php
- Source
- cve@mitre.org
References
- 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
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.