CVE-2008-1891

Published: Apr 18, 2008Modified: Apr 23, 2026

5.0

Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability: 10.0 / Impact: 2.9

Source: NVD

Description

Directory traversal vulnerability in WEBrick in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2, when using NTFS or FAT filesystems, allows remote attackers to read arbitrary CGI files via a trailing (1) + (plus), (2) %2b (encoded plus), (3) . (dot), (4) %2e (encoded dot), or (5) %20 (encoded space) character in the URI, possibly related to the WEBrick::HTTPServlet::FileHandler and WEBrick::HTTPServer.new functionality and the :DocumentRoot option.

Affected (3)

Products: Ruby Lang: Ruby

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Ruby Lang Ruby	Up to 1.9.0
Ruby Lang Ruby	Version 1.8.5
Ruby Lang Ruby	Version 1.8.6

Related CWEs

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (22)

http://aluigi.altervista.org/adv/webrickcgi-adv.txt

Source: cve@mitre.org

http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html

Source: cve@mitre.org

http://secunia.com/advisories/29794

Source: cve@mitre.org

Vendor Advisory

http://secunia.com/advisories/30831

Source: cve@mitre.org

http://secunia.com/advisories/31687

Source: cve@mitre.org

http://www.mandriva.com/security/advisories?name=MDVSA-2008:140

Source: cve@mitre.org

http://www.mandriva.com/security/advisories?name=MDVSA-2008:141

Source: cve@mitre.org

http://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/

Source: cve@mitre.org

http://www.vupen.com/english/advisories/2008/1245/references

Source: cve@mitre.org

https://exchange.xforce.ibmcloud.com/vulnerabilities/41824

Source: cve@mitre.org

https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.html

Source: cve@mitre.org

http://aluigi.altervista.org/adv/webrickcgi-adv.txt

Source: af854a3a-2127-422b-91ae-364da2661108

http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://secunia.com/advisories/29794

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

http://secunia.com/advisories/30831

Source: af854a3a-2127-422b-91ae-364da2661108

http://secunia.com/advisories/31687

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.mandriva.com/security/advisories?name=MDVSA-2008:140

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.mandriva.com/security/advisories?name=MDVSA-2008:141

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.vupen.com/english/advisories/2008/1245/references

Source: af854a3a-2127-422b-91ae-364da2661108

https://exchange.xforce.ibmcloud.com/vulnerabilities/41824

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.html

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.