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CVE-2009-4492

Good to know:

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Date: January 13, 2010

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.

Severity Score

Related Resources (20)

http://www.vupen.com/english/advisories/2010/0089
https://github.com/ruby/webrick
https://nvd.nist.gov/vuln/detail/CVE-2009-4492
http://secunia.com/advisories/37949
http://www.redhat.com/support/errata/RHSA-2011-0908.html
https://web.archive.org/web/20200228145937/http://www.securityfocus.com/bid/37710
https://access.redhat.com/security/cve/CVE-2009-4492
http://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injection
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://github.com/advisories/GHSA-6mq2-37j5-w6r6
http://www.ush.it/team/ush/hack_httpd_escape/adv.txt
http://www.redhat.com/support/errata/RHSA-2011-0909.html
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
http://www.securityfocus.com/bid/37710
http://www.securityfocus.com/archive/1/508830/100/0/threaded
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2009-4492.yml
http://securitytracker.com/id?1023429
https://www.mend.io/vulnerability-database/CVE-2009-4492

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Insufficient Information

NVD-CWE-noinfo

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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