CVE-2008-1891

MEDIUM

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.

References

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

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

http://secunia.com/advisories/29794

http://secunia.com/advisories/30831

http://secunia.com/advisories/31687

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

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

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

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

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

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

Details

Source: MITRE

Published: 2008-04-18

Updated: 2017-08-08

Type: CWE-22

Risk Information

CVSS v2.0

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM