ZoneAlarm Pro vsdatant.sys input buffer denial of service

zonealarm-vsdatant-inputbuffer-dos (34028) The risk level is classified as MediumMedium Risk

Description:

ZoneAlarm Pro is vulnerable to denial of service, caused by improper authentication of user-supplied input by the vsdatant.sys driver. A local attacker could exploit this vulnerability by sending specially-crafted commands to the input buffer to cause the system to crash.

*CVSS:

Base Score: 3.5
  Access Vector: Local
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Complete
 
Temporal Score: 2.6
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of ZoneAlarm Pro (7.0.302.000 or later), available from the ZoneAlarm Pro Web site. See References.

References:

  • Matousec Transparent Security Advisory 2007-05-01.01: ZoneAlarm Insufficient validation of 'vsdatant' driver input buffer Vulnerability.
  • ZoneAlarm Pro Web site: Check Point ZoneAlarm - Internet security products, online safety, software, protection.
  • BID-23734: ZoneAlarm VSdatant Driver Denial of Service Vulnerability
  • CVE-2007-2467: ZoneAlarm Pro 6.5.737.000, 6.1.744.001, and possibly earlier versions and other products, allows local users to cause a denial of service (system crash) by sending malformed data to the vsdatant device driver, which causes an invalid memory access.
  • OSVDB ID: 35240: ZoneAlarm Pro vsdatant Driver Local DoS
  • SA25064: ZoneAlarm Pro vsdatant Driver Denial of Service

Platforms Affected:

  • CheckPoint ZoneAlarm 6.1.744.001
  • CheckPoint ZoneAlarm 6.5.737.000 Pro

Reported:

May 01, 2007

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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 IBM 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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