ZoneAlarm Pro vsdatant.sys denial of service
| zonealarm-vsdatant-dos (33664) |  Medium 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
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.
For corrections or additions please email ignore thisxforceignore this@ignore thisus.ignore thisibm.comignore this
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.