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ScanAlert Security Advisory
http://www.scanalert.com
Directory Listing in Apache Tomcat 5.x.x
Date: 07/21/2006
Vendor: Apache
Package: Tomcat
Versions: 5.x.x (5.0.28, 5.5.12, 5.5.9, and 5.5.7 - Confirmed)
Credit: ScanAlert's Enterprise Services Team.
Risk
Common Vulnerability Scoring System (CVSS) -
http://www.first.org/cvss/intro/
Related Exploit Range: Remote
Attack Complexity: Low
Level Of Authentication Needed: Not Required
Confidentiality Impact: Partial
Integrity Impact: Partial
Availability Impact: None
Overview
Apache Tomcat is the servlet container that is used in the official
Reference Implementation for the Java Servlet and JavaServer Pages
technologies.
Vulnerabilities
Apache Tomcat can be forced to reveal a complete directory listing for any
directory by requesting a mapped file extension prepended with a semicolon,
a reserved character. The file does not need to exist.
Examples
http://www.sitexyz.com/;index.jsp
http://www.sitexyz.com/help/;help.do
Solution
Upgrade to the latest stable Tomcat release. Confirmed fix is available in
Apache Tomcat v5.5.17
About ScanAlert
ScanAlert's mission is to make the web safe from hackers.
We make web sites secure from hackers and certify it to their customers via
our patent pending HACKER SAFER security certification technology. Our daily
security audits and real-time certification enables consumers to know
whether the sites where they shop are taking the necessary steps to
safeguard their personal information from hackers. By alleviating consumers'
fears of identity theft and credit card fraud, online merchants who earn
HACKER SAFE certification consistently see substantial increases in online
transactions
Joseph Pierini, CISSP | Director, Enterprise Services
ScanAlert ( www.scanalert.com )
860 Napa Valley Corporate Way
Suite R
Napa, CA 94558
Phone: 877 302-9965
Int'l: 707 224-7656
Fax: 707 252-9626
Email: joep (at) scanalert.com
PGP Public Key