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Insecure Library Loading
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OpenSSL "der_chop" Script Insecure Temporary File Creation

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Release Date:  2004-10-26    Views:  15,121

Secunia Advisory SA12973

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


A vulnerability has been reported in OpenSSL, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.

The vulnerability is caused due to the "der_chop" script creating temporary files insecurely. This can be exploited via symlink attacks to create or overwrite arbitrary files with the privileges of the user executing the vulnerable script.

The vulnerability has been reported in versions 0.9.6m, 0.9.7d, and 0.9.7e. Other versions may also be affected.


Solution:
Grant only trusted users access to affected systems.

Provided and/or discovered by:
First reported in a Trustix advisory.

Original Advisory:
http://www.trustix.org/errata/2004/0050/

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 "der_chop" Script Insecure Temporary File Creation

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