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OpenSSL "CRYPTO_free_all_ex_data()" Memory Leak Vulnerability

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Release Date:  2010-01-14    Last Update:  2010-03-02    Views:  6,049

Secunia Advisory SA38200

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


A vulnerability has been reported in OpenSSL, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to certain applications (e.g. Apache with the PHP module) calling OpenSSL's "CRYPTO_free_all_ex_data()" function prematurely. In certain cases, this can result in memory leaks, which can be exploited to e.g. cause a DoS due to memory exhaustion.

This is related to vulnerability #6 in:
SA28046


Solution:
Update to version 0.9.8m.

Provided and/or discovered by:
Reported by an rPath customer.

Original Advisory:
http://cvs.openssl.org/chngview?cn=19068
http://cvs.openssl.org/chngview?cn=19069
https://issues.rpath.com/browse/RPL-3157
https://bugzilla.redhat.com/show_bug.cgi?id=546707

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: OpenSSL "CRYPTO_free_all_ex_data()" Memory Leak Vulnerability

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