Insecure Group Membership Handling in Facebook HipHop Virtual Machine (HHVM)

CVE-2014-2209 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:P/A:N

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.

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