NFSv4 ID mapper uid translation unspecified vulnerability
| nfsv4-idmapper-uid-unspecified (36396) |  Low Risk |
Description:
NFSv4 ID mapper has an unspecified vulnerability related to an uid translation flaw in name lookups that has an unknown impact and unknown remote attack vectors.
*CVSS:
| Base Score: | 5.1 |
| Access Vector: | Network |
| Access Complexity: | High |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 3.8 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Other
Remedy:
For SUSE Linux (NFSv4):
Refer to SUSE-SR:2007:018 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- NFSv4 Web site: NFSv4.
- BID-26767: NFSv4 ID Mapper nfsidmap Username Lookup Local Privilege Escalation Vulnerability
- CVE-2007-4135: The NFSv4 ID mapper (nfsidmap) before 0.17 does not properly handle return values from the getpwnam_r function when performing a username lookup, which can cause it to report a file as being owned by root instead of nobody if the file exists on the server but not on the client.
- MDKSA-2007:240: Updated libnfsidmap packages fix username lookup flaw
- RHSA-2007-0951: Important: nfs-utils-lib security update
- SUSE-SR:2007:018: SUSE Security Summary Report
Platforms Affected:
- MandrakeSoft Mandrake Linux 2007
- MandrakeSoft Mandrake Linux 2007 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 4.0
- NFSv4 NFSv4
- Novell SUSE Linux Enterprise Server 10
- RedHat Enterprise Linux 5
- RedHat Enterprise Linux 5 Client
- RedHat Enterprise Linux 5 Client Workstation
Reported:
Aug 31, 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.