Vulnerability CVE-2007-4135
Published: 2007-09-04   Modified: 2012-02-12

Description:
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.

CVSS2 => (AV:L/AC:H/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.2/10
10/10
1.9/10
Exploit range
Attack complexity
Authentication
Local
High
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Nfsv4 -> Nfsidmap 

 References:
http://www.mandriva.com/security/advisories?name=MDKSA-2007:240
http://www.novell.com/linux/security/advisories/2007_18_sr.html
http://www.redhat.com/support/errata/RHSA-2007-0951.html
http://www.securityfocus.com/bid/26767
https://exchange.xforce.ibmcloud.com/vulnerabilities/36396
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9864
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