ZoneAlarm Pro vsdatant.sys denial of service

zonealarm-vsdatant-dos (33664) The risk level is classified as MediumMedium Risk

Description:

ZoneAlarm Pro is vulnerable to denial of service caused by improper validation of arguments by the vsdatant.sys driver. A local attacker could send a specially-crafted call containing invalid argument values to NtCreateKey and NtDeleteFile 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: 3
  Exploitability: Unproven
  Remediation Level: Unavailable
  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 Web site. See References.

References:

  • Full-Disclosure Mailing List, Sun Apr 15 2007 - 04:41:37 CDT: ZoneAlarm Multiple insufficient argument validation of hooked SSDT function Vulnerability.
  • Zone Labs Web site: Check Point ZoneAlarm - Internet security products, online safety, software, protection.
  • BID-23494: ZoneAlarm Vsdatant.SYS Driver Local Denial of Service Vulnerability
  • CVE-2007-2083: vsdatant.sys in Check Point Zone Labs ZoneAlarm Pro before 7.0.302.000 does not validate certain arguments before being passed to hooked SSDT function handlers, which allows local users to cause a denial of service (system crash) or possibly execute arbitrary code via crafted arguments to the (1) NtCreateKey and (2) NtDeleteFile functions.
  • OSVDB ID: 35239: ZoneAlarm vsdatant.sys Hooked SSDT Function Local Privilege Escalation
  • OSVDB ID: 45898: ZoneAlarm Pro SSDT Hooks Local Privilege Escalation

Platforms Affected:

  • CheckPoint ZoneAlarm 6.1.744.001
  • CheckPoint ZoneAlarm 6.5.737.000 Pro

Reported:

Apr 15, 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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