Technical Description

A vulnerability has been identified in Apache-SSL, which could be exploited by attackers to bypass security restrictions and disclose sensitive information. This issue is caused by an error in the "ExpandCert()" function when handling client certificates, which could be exploited by attackers to overwrite environment variables and disclose memory data by manipulating the relative distinguished name in a certificate.

Affected Products

Apache-SSL versions prior to 1.3.41/1.59

Solution

Upgrade to apache_1.3.41+ssl_1.59 :
http://www.apache-ssl.org/#Download

References

http://www.vupen.com/english/advisories/2008/1079
http://www.apache-ssl.org/advisory-cve-2008-0555.txt

Credits

Vulnerability reported by Alexander Klink (Cynops GmbH).

ChangeLog

2008-04-03 : Initial release

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