header.c in Cherokee before 0.99.32 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.
http://www.vupen.com/english/advisories/2010/0090
http://www.securityfocus.com/archive/1/508830/100/0/threaded
http://svn.cherokee-project.com/changeset/3977