GHSA-6mq2-37j5-w6r6

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GHSA-6mq2-37j5-w6r6

Summary: WEBrick Improper Input Validation vulnerability

Details: 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.

References: https://nvd.nist.gov/vuln/detail/CVE-2009-4492, https://github.com/advisories/GHSA-6mq2-37j5-w6r6, https://github.com/ruby/webrick, https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2009-4492.yml, https://web.archive.org/web/20100113155532/http://www.vupen.com/english/advisories/2010/0089, https://web.archive.org/web/20100815010948/http://secunia.com/advisories/37949, https://web.archive.org/web/20170402100552/http://securitytracker.com/id?1023429, https://web.archive.org/web/20170908140655/http://www.securityfocus.com/archive/1/508830/100/0/threaded, https://web.archive.org/web/20200228145937/http://www.securityfocus.com/bid/37710, 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.ush.it/team/ush/hack_httpd_escape/adv.txt