CVE-2009-4492

28Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendepss 16%

from disclosure to weapon0 days

Published on NVDJan 13

1st PoCJan 11

exploitation probability

16%top 3% of all CVEs

observed exploitation

nono source reports it

1 public exploit(s)

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.

Affected products

n/a · n/a

public PoCs found — 1✓ VexDay Proof

exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/33489

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

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