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Insecure Library Loading

Secunia Advisory SA38200

OpenSSL "CRYPTO_free_all_ex_data()" Memory Leak Vulnerability
Secunia Advisory SA38200
Secunia VIM 4.0 - Free Trial
Release Date 2010-01-14
Last Update 2010-03-02
   
Popularity 5,327 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact DoS
Where From remote
Authentication level This information is available to Secunia VIM customers
   
Report reliability This information is available to Secunia VIM customers
Solution Status Vendor Patch
   
Systems affected This information is available to Secunia VIM customers
Approve distribution This information is available to Secunia VIM customers
Remediation status Secunia CSI, Secunia PSI
Automated scanning Secunia CSI, Secunia PSI
   
Software:
OpenSSL 0.x

Secunia CVSS Score This information is available to Secunia VIM Customers
CVE Reference(s) CVE-2009-4355 CVSS score available to Secunia VIM customers
  

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.

Changelog
Further details available to Secunia VIM customers

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

Other references
Further details available to Secunia VIM customers

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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