CVE-2009-3517

Description

nfs.ext in IBM AIX 5.3.x through 5.3.9 and 6.1.0 through 6.1.2 does not properly use the nfs_portmon setting, which allows remote attackers to bypass intended access restrictions for NFSv4 shares via unspecified vectors.

10.0

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 2.51% Top 20%

Vendor Advisory ibm.com Vendor Advisory ibm.com Vendor Advisory ibm.com Vendor Advisory ibm.com Vendor Advisory ibm.com Vendor Advisory ibm.com Vendor Advisory ibm.com Vendor Advisory vupen.com

Affected: n/a n/a

References

Link	Tags
http://www.vupen.com/english/advisories/2009/2788	vdb entry vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50496	vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6366	vdb entry signature
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50444	vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50399	vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49278	vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49096	vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49024	vendor advisory
http://aix.software.ibm.com/aix/efixes/security/nfs4_advisory.asc	patch vendor advisory
http://www.securityfocus.com/bid/36544	vdb entry patch

Frequently Asked Questions

What is the severity of CVE-2009-3517?: CVE-2009-3517 has been scored as a critical severity vulnerability.
How to fix CVE-2009-3517?: To fix CVE-2009-3517, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-3517 being actively exploited in the wild?: It is possible that CVE-2009-3517 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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