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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTZtcTItMzdqNS13NnI2

WEBrick Improper Input Validation vulnerability

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.

Permalink: https://github.com/advisories/GHSA-6mq2-37j5-w6r6
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTZtcTItMzdqNS13NnI2
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 7 years ago
Updated: about 1 year ago

Identifiers: GHSA-6mq2-37j5-w6r6, CVE-2009-4492
References:

• https://nvd.nist.gov/vuln/detail/CVE-2009-4492
• https://github.com/advisories/GHSA-6mq2-37j5-w6r6
• 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
• 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

Blast Radius: 0.0

Affected Packages