Novell Client for Windows NWFS.SYS privilege escalation
| novell-client-nwfs-privilege-escalation (43460) |  High Risk |
Description:
Novell Client for Windows could allow a local attacker to gain elevated privileges on the system, caused by improper validation of user-supplied input in the NWFS.SYS driver. By sending a specially-crafted IOCTL request, a local attacker could exploit this vulnerability to overwrite memory addresses and execute arbitrary code on the system with elevated privileges.
*CVSS:
| Base Score: | 4.6 |
| Access Vector: | Local |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 3.4 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Privileges
Remedy:
Refer to the Novell Technical Information Document ID: 5028543 for patch, upgrade or suggested workaround information. See References.
References:
- Novell Technical Information Document ID: 5028543: Novell Client 4.91 Post-SP4 NWFS.SYS 2.
- BID-30001: Novell Client 'NWFS.SYS' IOCTL Request Local Privilege Escalation Vulnerability
- CVE-2008-3158: Unspecified vulnerability in NWFS.SYS in Novell Client for Windows 4.91 SP4 has unknown impact and attack vectors, possibly related to IOCTL requests that overwrite arbitrary memory.
- OSVDB ID: 46578: Novell Client NWFS.SYS Unspecified Issue
- SA30904: Novell Client NWFS.SYS Unspecified Vulnerability
- SECTRACK ID: 1020385: Novell Client Unspecified Bug in NWFS.SYS Has Unspecified Impact
- VUPEN/ADV-2008-1968: Novell Client for Windows NWFS.SYS Privilege Escalation Vulnerability
Platforms Affected:
- Novell NetWare Client 4.91 SP4
Reported:
Jun 26, 2008
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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.