Kaspersky Anti-Virus multiple klif.sys denial of service
| kaspersky-multiple-klif-dos (34875) |  Low Risk |
Description:
Multiple Kaspersky Anti-Virus products are vulnerable to a denial of service, caused by an error in the klif.sys driver's NtCreateKey, NtCreateProcess, NtCreateProcessEx, NtCreateSection, NtCreateSymbolicLinkObject, NtCreateThread, NtLoadKey2, NtOpenKey, and NtOpenProcess functions. A local attacker could exploit this vulnerability to crash the system.
*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: | 2.7 |
| Exploitability: | Proof-Of-Concept |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Refer to Kapersky Web site for patch, upgrade or suggested workaround information. See References.
References:
- Kapersky Web site: Product Updates.
- Kaspersky Anti-Virus Web site: Kaspersky Lab: Antivirus software.
- Kaspersky Web site: Faulty data processing in klif.sys driver.
- MatouSec Transparent Security Advisory 2007-06-15.01: Kaspersky Multiple insufficient argument validation of hooked SSDT function Vulnerability.
- Rootkit Web site: Haxdoors of the Kaspersky Antivirus 6/7.
- CVE-2007-5086: Kaspersky Anti-Virus (KAV) and Internet Security 7.0 build 125 do not properly validate certain parameters to System Service Descriptor Table (SSDT) and Shadow SSDT function handlers, which allows local users to cause a denial of service (crash) via the (1) NtUserSendInput, (2) LoadLibraryA, (3) NtOpenProcess, (4) NtOpenThread, (5) NtTerminateProcess, (6) NtUserFindWindowEx, and (7) NtUserBuildHwndList kernel SSDT hooks in kylif.sys; the (8) NtDuplicateObject (DuplicateHandle) kernel SSDT hook; and possibly other kernel SSDT hooks. NOTE: the NtCreateSection vector is covered by CVE-2007-5043.1. NOTE: the vendor disputes that the DuplicateHandle vector is a vulnerability in their code, stating that it is not an error in our code
- SA26887: Kaspersky AntiVirus klif.sys Hooked Functions Denial of Service
- VUPEN/ADV-2007-3259: Kaspersky Anti-Virus klif.sys Driver Local Denial of Service Vulnerability
Platforms Affected:
- Kaspersky Internet Security 6.0.2.614
- Kaspersky Internet Security 6.0.2.621
- Kaspersky Internet Security Suite 6.0
Reported:
Jun 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 xforce@iss.net
* 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.