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Last updated: 3/6/2015 3:13:13 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2012-4817

Original release date: 09/14/2012
Last revised: 04/04/2013


The NFSv4 client implementation in IBM AIX 5.3, 6.1, and 7.1, and VIOS before SP-02, does not properly handle GID values, which allows remote attackers to cause a denial of service via unspecified vectors.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low

**NOTE: Access Complexity scored Low due to insufficient information

Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: AIXAPAR
Name: IV10327
Type: Advisory
External Source: XF
Name: aix-nfsv4-gid-dos(78431)
External Source: OSVDB
Name: 85427
External Source: AIXAPAR
Name: IV26436
Type: Advisory
External Source: SECTRACK
Name: 1027531
External Source: AIXAPAR
Name: IV12169
Type: Advisory
External Source: AIXAPAR
Name: IV17855
Type: Advisory
External Source: BID
Name: 55546
External Source: CONFIRM
Name: http://aix.software.ibm.com/aix/efixes/security/nfsv4_advisory1.asc
Type: Advisory
External Source: AIXAPAR
Name: IV11629
Type: Advisory

Technical Details

Vulnerability Type (View All)