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Highly critical

avast! Home/Professional TAR File Processing Heap Corruption

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Release Date:  2007-12-05    Last Update:  2007-12-07    Views:  12,832

Secunia Advisory SA27929

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in avast! Home/Professional, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an error within the handling of specially crafted TAR files. This can be exploited to corrupt heap memory via certain unspecified TAR fields.

The vulnerability is reported in versions prior to 4.7.1098.


Solution:
Update to version 4.7.1098.

Further details available to Secunia VIM customers

Provided and/or discovered by:
The vendor credits Sowhat of Nevis Labs.

Original Advisory:
ALWIL Software:
http://www.avast.com/eng/avast-4-home_pro-revision-history.html

Nevis Labs:
http://secway.org/advisory/AD20071206.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: avast! Home/Professional TAR File Processing Heap Corruption

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