Vulnerability CVE-2006-5646
Published: 2006-11-01   Modified: 2012-02-12

Description:
Heap-based buffer overflow in Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and other platforms before 4.11, when archive scanning is enabled, allows remote attackers to trigger a denial of service (memory corruption) via a CHM file with an LZX decompression header that specifies a Window_size of 0.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Sophos -> Anti-virus 
Sophos -> Endpoint security 

 References:
http://www.vupen.com/english/advisories/2006/4239
http://www.sophos.com/support/knowledgebase/article/7609.html
http://www.securityfocus.com/bid/20816
http://securitytracker.com/id?1017132
http://secunia.com/advisories/22591
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=452
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