|Description||agent/Core/Controller/SendRequest.cpp in Phusion Passenger before 4.0.60 and 5.0.x before 5.0.22, when used in Apache integration mode or in standalone mode without a filtering proxy, allows remote attackers to spoof headers passed to applications by using an _ (underscore) character instead of a - (dash) character in an HTTP header, as demonstrated by an X_User header.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)|
|NVD severity||medium (attack range: remote)|
|Debian Bugs||807354, 864651|
Vulnerable and fixed packages
The table below lists information on source packages.
The information below is based on the following data on fixed versions.
[jessie] - ruby-passenger <no-dsa> (Minor issue)
[wheezy] - ruby-passenger <no-dsa> (Minor issue)