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.
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
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 (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.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net