CVE-2014-2209: Undefined Security Weakness

Facebook HipHop Virtual Machine HHVM before 3.1.0 does not drop supplemental group memberships within hphp/util/capability.cpp and hphp/util/light-process.cpp, which allows remote attackers to bypass intended access restrictions by leveraging group permissions for a file or directory...

CVE-2014-2208: Improper Control of Generation of Code

CRLF injection vulnerability in the LightProcess protocol implementation in hphp/util/light-process.cpp in Facebook HipHop Virtual Machine HHVM before 2.4.2 allows remote attackers to execute arbitrary commands by entering a \n newline character before the end of a string...