Vulnerability Details : CVE-2012-4817
The NFSv4 client implementation in IBM AIX 5.3, 6.1, and 7.1, and VIOS before 2.2.1.4-FP-25 SP-02, does not properly handle GID values, which allows remote attackers to cause a denial of service via unspecified vectors.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2012-4817
Probability of exploitation activity in the next 30 days: 5.14%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 92 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2012-4817
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
References for CVE-2012-4817
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http://www.ibm.com/support/docview.wss?uid=isg1IV11629
IBM IV11629: GID IN NFSV4 IS LOOSELY ENFORCED APPLIES TO AIX 6100-07Vendor Advisory
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http://aix.software.ibm.com/aix/efixes/security/nfsv4_advisory1.asc
Vendor Advisory
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http://www.ibm.com/support/docview.wss?uid=isg1IV17855
IBM IV17855: GID IN NFSV4 IS LOOSELY ENFORCED APPLIES TO AIX 5300-12Vendor Advisory
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http://www.securityfocus.com/bid/55546
IBM AIX GID in NFSv4 Remote Denial of Service Vulnerability
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http://www.ibm.com/support/docview.wss?uid=isg1IV10327
IBM IV10327: GID IN NFSV4 IS LOOSELY ENFORCED APPLIES TO AIX 6100-06Vendor Advisory
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http://www.ibm.com/support/docview.wss?uid=isg1IV12169
IBM IV12169: GID IN NFSV4 IS LOOSELY ENFORCED APPLIES TO AIX 7100-01Vendor Advisory
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https://exchange.xforce.ibmcloud.com/vulnerabilities/78431
IBM AIX SGID bit NFSv4 denial of service CVE-2012-4817 Vulnerability Report
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http://www.securitytracker.com/id?1027531
IBM AIX NFSv4 GID Enforcement Flaw Lets Remote Users Deny Service - SecurityTracker
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http://www.ibm.com/support/docview.wss?uid=isg1IV26436
IBM IV26436: GID IN NFSV4 IS LOOSELY ENFORCED APPLIES TO AIX 7100-00Vendor Advisory
Products affected by CVE-2012-4817
- cpe:2.3:o:ibm:aix:5.3:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:aix:6.1:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:aix:7.1:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.1.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.1.2.13:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.2.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.2.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.1.2.12:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.1.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.2.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.2.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.2.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:2.2.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:1.5.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:1.5.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:1.4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:1.5.2.6:*:*:*:*:*:*:*