[NT] Symantec AntiVirus Engine RAR File Parsing DoS Vulnerability

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Symantec AntiVirus Engine RAR File Parsing DoS Vulnerability
------------------------------------------------------------------------


SUMMARY

A vulnerability allows attackers to create a denial of service condition
on software with vulnerable installations of the Symantec's AntiVirus
engine. Authentication is not required to exploit this vulnerability.

DETAILS

The specific flaw resides in a forged PACK_SIZE field of a RAR file
header. By setting this field to a specific value an infinite loop
denial of service condition will occur when the scanner processes the
file.

Vendor Response:
Symantec has issued an update to correct this vulnerability. More details
can be found at:
<http://www.symantec.com/avcenter/security/Content/2007.07.11f.html>
http://www.symantec.com/avcenter/security/Content/2007.07.11f.html

Disclosure Timeline:
2006.11.01 - Vulnerability reported to vendor
2006.11.20 - Digital Vaccine released to TippingPoint customers
2007.07.12 - Coordinated public release of advisory

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3699>
CVE-2007-3699


ADDITIONAL INFORMATION

The information has been provided by The Zero Day Initiative (ZDI).
The original article can be found at:
<http://www.zerodayinitiative.com/advisories/ZDI-07-039.html>
http://www.zerodayinitiative.com/advisories/ZDI-07-039.html



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