Vulnerability Note VU#303448

Overview

There is a format string vulnerability in the ssl_log() function of the mod_ssl module that could allow an attacker to potentially execute arbitrary code.

Description

mod_ssl is an Apache module that provides Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocol support. There is a format string vulnerability in way the ssl_log() function of the mod_ssl module handles hostnames. By supplying a specially crafted hostname value in an HTTPS request, a remote, unauthenticated attacker could trigger this vulnerability. Please note, the hostname provided would have to exist in the zone.

Impact

A remote, unauthenticated attacker could potentially execute arbitrary code on an affected system.

Solution

Upgrade Upgrade to version 2.8.19-1.3.31. Alternatively, apply the appropriate patch or upgrade as specified by your vendor.

Systems Affected (Learn More)

Vendor	Status	Date Notified	Date Updated
Mod_ssl	Affected	-	19 Jul 2004

If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group	Score	Vector
Base	N/A	N/A
Temporal	N/A	N/A
Environmental	N/A	N/A

References

• http://www.modssl.org/news/
• http://secunia.com/advisories/12077/
• http://www.securitytracker.com/alerts/2004/Jul/1010717.html

Credit

This vulnerability was reported by Secunia.

This document was written by Damon Morda.

Other Information

• CVE IDs: Unknown
• Date Public: 16 Jul 2004
• Date First Published: 19 Jul 2004
• Date Last Updated: 19 Jul 2004
• Severity Metric: 6.04
• Document Revision: 6