Vulnerability Assessment & Network Security Forums
If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Detailed Explanation for this Vulnerability Assessment
We have received reports that the `apache' package, as included in
the Debian `stable' distribution, is vulnerable to the `artificially
long slash path directory listing vulnerability' as described on href="http://www.securityfocus.com/vdb/bottom.html?vid=2503">SecurityFocus.
This vulnerability was announced to bugtraq by Dan Harkless.
Quoting the SecurityFocus entry for this vulnerability:
A problem in the package could permit directory indexing, and path
discovery. In a default configuration, Apache enables mod_dir,
mod_autoindex, and mod_negotiation. However, by placing a custom
crafted request to the Apache server consisting of a long path name
created artificially by using numerous slashes, this can cause these
modules to misbehave, making it possible to escape the error page,
and gain a listing of the directory contents.
This vulnerability makes it possible for a malicious remote user
to launch an information gathering attack, which could potentially
result in compromise of the system. Additionally, this vulnerability
affects all releases of Apache previous to 1.3.19.
This problem has been fixed in apache-ssl 1.3.9-13.3 and
apache 1.3.9-14. We recommend that you upgrade your packages
Warning: The MD5Sum of the .dsc and .diff.gz file don't match
since they were copied from the stable release afterwards, the
content of the .diff.gz file is the same, though, checked.
Solution : http://www.debian.org/security/2001/dsa-067
Network Security Threat Level: High
Networks Security ID: 3009
Vulnerability Assessment Copyright: This script is (C) 2005 Michel Arboi
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