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Insecure Library Loading
Not critical

Polygen Output Files Insecure Permissions Weakness

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Release Date:  2005-09-02    Views:  7,394

Secunia Advisory SA16671

Where:

Local system

Impact:

Manipulation of data

Solution Status:

Unpatched

Software:

CVE Reference(s):

No CVE references.

Description


Justin B Rye has reported a weakness in polygen, which can be exploited by malicious, local users to manipulate certain information.

The weakness is due to polygen creating its output grammar object files with world-writable permissions, instead of using the umask settings. This can potentially be exploited by malicious users to delete or corrupt the contents of the generated files.

The weakness has been reported in version 1.0.6. Other versions may also be affected.


Solution:
Remove write permissions from the files after they have been generated.

Provided and/or discovered by:
Justin B Rye

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: Polygen Output Files Insecure Permissions Weakness

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