Kaspersky Lab`s Antivirus PE header file denial of service

kaspersky-antivirus-pe-dos (31315) The risk level is classified as MediumMedium Risk


Kaspersky Lab's Antivirus is vulnerable to a denial of service. A remote attacker could send a specially-crafted PE (portable executable) file, containing an invalid value in the NumberOfRvaAndSizes header field, to cause the scanning engine to enter into an infinite loop and consume all available system resources.


Base Score: 3.5
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
Temporal Score: 2.5
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Uncorroborated


Denial of Service


Kaspersky Lab has issued a fix which is included in the regular automatic update, available to all Kaspersky Lab's Antivirus users.


  • iDefense Labs PUBLIC ADVISORY: 01.05.07: Kaspersky Antivirus Scan Engine PE File Denial of Service Vulnerability.
  • Kaspersky Lab's Antivirus Web site: Antivirus Software with Antispyware for Home Computer Security.
  • BID-21901: Kaspersky AntiVirus Scan Engine PE File Denial Of Service Vulnerability
  • CVE-2007-0125: Kaspersky Labs Antivirus Engine 6.0 for Windows and 5.5-10 for Linux before 20070102 enter an infinite loop upon encountering an invalid NumberOfRvaAndSizes value in the Optional Windows Header of a portable executable (PE) file, which allows remote attackers to cause a denial of service (CPU consumption) by scanning a crafted PE file.
  • OSVDB ID: 32588: Kaspersky Anti-Virus PE File Handling DoS
  • SA23575: Kaspersky Antivirus PE File Handling Denial of Service
  • SECTRACK ID: 1017476: Kaspersky Anti-Virus Scanning Engine PE File Infinite Loop Lets Remote Users Deny Service

Platforms Affected:

  • Kaspersky Kaspersky Anti-Virus 5.5-10 for Linux
  • Kaspersky Kaspersky Anti-Virus 6.0 and prior


Jan 05, 2007

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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