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.
Date published : 2007-09-04
http://www.securityfocus.com/bid/26767
http://www.mandriva.com/security/advisories?name=MDKSA-2007:240