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Insecure Library Loading
Highly critical

F-Secure Products LHA Archive Handling Buffer Overflow

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Description


A vulnerability has been reported in various F-Secure products, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the processing of LHA archives and can be exploited to cause a buffer overflow when decompressing a specially crafted archive.

The vulnerability is related to #1 in:
SA21996

Successful exploitation may allow execution of arbitrary code.


Solution:
Apply hotfixes.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Originally discovered by Tavis Ormandy of Google Security Team in gzip.

The vendor credits Sergio Alvarez of n.runs AG for providing additional information.

Original Advisory:
F-Secure:
http://www.f-secure.com/security/fsc-2007-1.shtml

n.runs AG:
http://www.nruns.com/advisories/%5Bn.runs-SA-2007.013%5D%20-%20F-Secure%20Antivirus%20LZH%20parsing%20BufferOverflow%20Advisory.txt

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: F-Secure Products LHA Archive Handling Buffer Overflow

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