CVE-2009-4492 Information

Description

WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383 1.8.7 through patchlevel 248 1.8.8dev 1.9.1 through patchlevel 376 and 1.9.2dev 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.

Reference

http://secunia.com/advisories/37949 http://securitytracker.com/id?1023429 http://www.redhat.com/support/errata/RHSA-2011-0908.html http://www.redhat.com/support/errata/RHSA-2011-0909.html http://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injection http://www.securityfocus.com/archive/1/508830/100/0/threaded http://www.securityfocus.com/bid/37710 http://www.ush.it/team/ush/hack_httpd_escape/adv.txt http://www.vupen.com/english/advisories/2010/0089