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cdwrite Insecure Temporary File Creation Vulnerability
Secunia Advisory: SA10392
Release Date: 2003-12-09
Popularity: 4,906 views

Critical:
Less critical
Impact: Privilege escalation
Where: Local system
Solution Status: Unpatched

Software:cdwrite 1.x

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Description:
A vulnerability has been reported in cdwrite, which can be exploited by malicious, local users to perform certain actions with escalated privileges.

The vulnerability is caused due to insecure creation of a temporary file ("/tmp/.tempfile"), which can be exploited via symlink attacks to overwrite, create, and delete files on the system with the privileges of a user invoking cdwrite.

The vulnerability has been reported in version 1.3. Other versions may also be affected.

Solution:
Grant only trusted users access to affected systems.

Provided and/or discovered by:
Shaun Colley


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