NFSv4 ID mapper uid translation unspecified vulnerability
| nfsv4-idmapper-uid-unspecified (36396) |
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.
Platforms Affected:
- MandrakeSoft, Mandrake Linux 2007 X86_64
- MandrakeSoft, Mandrake Linux 2007
- 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 Client
- RedHat, Enterprise Linux 5
- RedHat, Enterprise Linux 5 Client Workstation
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.
Consequences:
Other
References:
- NFSv4 Web site, NFSv4 at http://www.nfsv4.org/.
- 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
Reported:
Aug 31, 2007
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