CVE-2007-2844

critical

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/34601

http://www.securityfocus.com/bid/24109

http://secunia.com/advisories/25434

http://osvdb.org/36088

http://blog.php-security.org/archives/82-Suhosin-0.9.20-and-crypt-Thread-Safety-Vulnerability.html

Details

Source: Mitre, NVD

Published: 2007-05-24

Updated: 2018-10-30

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical