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CVE-2008-0555 - Nutritious Hairpin

Description

The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) ‘/’ and (2) ‘=’ characters in a Distinguished Name (DN) in a client certificate which might allow remote attackers to bypass authentication via a crafted DN that triggers overwriting of environment variables.

Reference

http://www.cynops.de/advisories/CVE-2008-0555.txt http://www.klink.name/security/aklink-sa-2008-005-apache-ssl.txt http://www.securityfocus.com/bid/28576 http://www.apache-ssl.org/advisory-cve-2008-0555.txt http://www.securitytracker.com/id?1019784 http://secunia.com/advisories/29644 http://securityreason.com/securityalert/3797 http://www.vupen.com/english/advisories/2008/1079/references https://exchange.xforce.ibmcloud.com/vulnerabilities/41618 http://www.securityfocus.com/archive/1/490386/100/0/threaded