HP-UX Apache Web Server running PHP, Remote Execution of Arbitrary Code, Privilege Elevation, Denial of Service (DoS)
Description:
envvars (aka envvars-std) in the Apache HTTP Server before 2.4.2 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse DSO in the current working directory during execution of apachectl.