CVE-2009-4492

N/A Unknown
Published: January 13, 2010 Modified: April 23, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://secunia.com/advisories/37949
Source: cve@mitre.org
Not Applicable Vendor Advisory
http://securitytracker.com/id?1023429
Source: cve@mitre.org
Broken Link Exploit Third Party Advisory VDB Entry
http://www.redhat.com/support/errata/RHSA-2011-0908.html
Source: cve@mitre.org
Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0909.html
Source: cve@mitre.org
Third Party Advisory
http://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injection
Source: cve@mitre.org
Patch Vendor Advisory
http://www.securityfocus.com/archive/1/508830/100/0/threaded
Source: cve@mitre.org
Broken Link Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/37710
Source: cve@mitre.org
Broken Link Exploit Third Party Advisory VDB Entry
http://www.ush.it/team/ush/hack_httpd_escape/adv.txt
Source: cve@mitre.org
Broken Link Exploit
http://www.vupen.com/english/advisories/2010/0089
Source: cve@mitre.org
Permissions Required
http://secunia.com/advisories/37949
Source: af854a3a-2127-422b-91ae-364da2661108
Not Applicable Vendor Advisory
http://securitytracker.com/id?1023429
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Exploit Third Party Advisory VDB Entry
http://www.redhat.com/support/errata/RHSA-2011-0908.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0909.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injection
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://www.securityfocus.com/archive/1/508830/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/37710
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Exploit Third Party Advisory VDB Entry
http://www.ush.it/team/ush/hack_httpd_escape/adv.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Exploit
http://www.vupen.com/english/advisories/2010/0089
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
17.7%
95th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

ruby-lang