ZDI-07-039: Symantec AntiVirus Engine RAR File Parsing DoS Vulnerability
ZDI-07-039: Symantec AntiVirus Engine RAR File Parsing DoS Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-07-039.html
July 12, 2007
-- CVE ID:
CVE-2007-3699
-- Affected Vendor:
Symantec
-- Affected Products:
Symantec AntiVirus Engine
-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability since November 20, 2006 by Digital Vaccine protection
filter ID 4695,4824. For further product information on the TippingPoint
IPS:
http://www.tippingpoint.com
-- Vulnerability Details:
This 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.
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
-- 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
-- Credit:
This vulnerability was discovered by an anonymous researcher.
-- About the Zero Day Initiative (ZDI):
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researchers for responsibly disclosing discovered vulnerabilities.
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http://www.zerodayinitiative.com
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