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avast! Unspecified CHM Unpacker Vulnerability Advisory Available in Danish 

Secunia Advisory: SA20387  
Release Date: 2006-06-02
Last Update: 2006-06-08

Critical:
Moderately critical
Impact: Unknown
Where: From remote
Solution Status: Vendor Patch

Software:avast! Home/Professional 4.x

CVE reference:CVE-2006-2869 (Secunia mirror)

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Description:
A vulnerability with an unknown impact has been reported in avast! Antivirus.

The vulnerability is caused due to an unspecified error in the CHM unpacker.

The vulnerability has been reported in version 4.7.827 and prior.

Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.

Solution:
Update to version 4.7.844, which temporarily disables the CHM unpacker.
http://www.avast.com/eng/programs.html

Provided and/or discovered by:
Reported by vendor.

Changelog:
2006-06-08: Added CVE reference.



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

8 Related Secunia Security Advisories

1. avast! Home/Professional aavmker4.sys Privilege Escalation
2. avast! Home/Professional TAR File Processing Heap Corruption
3. avast! CAB and SIS File Processing Buffer Overflows
4. avast! Zoo Denial of Service Vulnerability
5. avast! LHA Archive Processing Buffer Overflow Vulnerability
6. avast! Antivirus Insecure Default File Permissions
7. avast! Antivirus ACE File Handling Two Vulnerabilities
8. avast! Antivirus Device Driver Memory Overwrite Vulnerability


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If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.

Ideas, suggestions, and other feedback are most welcome.








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