Advisory Details

July 12th, 2007

Symantec AntiVirus Engine RAR File Parsing DoS Vulnerability

ZDI-07-039
ZDI-CAN-097

CVE ID CVE-2007-3699
CVSS SCORE
AFFECTED VENDORS Symantec
AFFECTED PRODUCTS Symantec AntiVirus Engine
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability 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.

ADDITIONAL DETAILS 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
  • 2007-07-12 - Coordinated public release of advisory
CREDIT Anonymous
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