Home    |    View Topics    |    Search    |    Contact Us    |   



Category:   Application (Security)  >   Sophos Anti-Virus Vendors:   Sophos
Sophos Anti-Virus Bugs in Processing Petite Archives, RAR Archives, and CHM Files Let Remote Users Deny Service
SecurityTracker Alert ID:  1017132
SecurityTracker URL:
CVE Reference:   CVE-2006-4839, CVE-2006-5645, CVE-2006-5646, CVE-2006-5647   (Links to External Site)
Updated:  Dec 8 2006
Original Entry Date:  Oct 30 2006
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Several vulnerabilities were reported in Sophos Anti-Virus. A remote user can cause denial of service conditions.

A remote user can create a specially crafted file that, when processed by the target user's Sophos Anti-Virus software, will cause denial of service conditions on the target system.

A specially crafted Petite archive containing a large number of large sectors can trigger a flaw in the Petite Plugin and cause denial of service conditions [CVE-2006-4839].

A specially crafted RAR file can cause the scanning engine to enter an infinite loop, consuming excessive CPU resources [CVE-2006-5645].

A specially crafted CHM file can trigger a heap overflow and cause a memory corruption error [CVE-2006-5646, CVE-2006-5647]. It may be possible to cause arbitrary code to be executed.

The vendor credits iDefense with reporting these vulnerabilities.

Impact:   A remote user can create a file that, when processed, will cause denial of service conditions.

It may be possible to cause arbitrary code to be executed.

Solution:   The vendor has issued fixed versions. A patch matrix is available in the vendor's advisory.

The Sophos advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Boundary error, Exception handling error, State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

Go to the Top of This SecurityTracker Archive Page

Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2020, LLC