Apache-SSL buffer overflow condition (all versions prior to 1.3.22+1.46)
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Synopsis
--------

A buffer overflow was recently found in mod_ssl, see:

http://archives.neohapsis.com/archives/bugtraq/2002-02/0313.html

for details. The offending code in mod_ssl was, in fact, derived from
Apache-SSL, and Apache-SSL is also vulnerable.

As in mod_ssl, this flaw can only be exploited if client certificates
are being used, and the certificate in question must be issued by a
trusted CA.

Fix
---

Download Apache-SSL 1.3.22+1.47 from the usual places (see
http://www.apache-ssl.org/).

(note that 1.46 had a bug in it, so you should use 1.47)

Acknowledgements
----------------

Thanks to Ed Moyle for finding the flaw.

Rant
----

No thanks to anyone at all for alerting me before going
public. Cheers, guys.



Ben Laurie, March 1, 2002.