Apache-SSL ExpandCert() Function Certificate Handling Arbitrary Environment Variables Manipulation

This script is Copyright (C) 2008-2016 Tenable Network Security, Inc.

Synopsis :

The remote web server is prone to a memory disclosure / privilege
escalation attack.

Description :

According to its banner, the version of Apache-SSL running on the
remote host is older than apache_1.3.41+ssl_1.59. Such versions fail
to properly sanitize certificate data before using it to populate
environment variables. By sending a client certificate with special
characters for the subject, a remote attacker can overwrite certain
environment variables used by the web server, resulting in memory
disclosure or potential privilege escalation in a web application.

See also :


Solution :

Upgrade to apache_1.3.41+ssl_1.59 or later.

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.2
Public Exploit Available : true

Family: Web Servers

Nessus Plugin ID: 31738 (apache_ssl_env_var_manipulation.nasl)

Bugtraq ID: 28576

CVE ID: CVE-2008-0555

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