CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
Percentile
91.0%
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.