Rule Category

PROTOCOL-RPC -- Snort has detected traffic that may indicate the presence of the rpc protocol or vulnerabilities in the rpc protocol on the network.

Alert Message

PROTOCOL-RPC IBM AIX and Oracle Solaris nfsd v4 nfs_portmon security bypass attempt

Rule Explanation

The NFSv4 server kernel module in Sun Solaris 10, and OpenSolaris before snv_119, does not properly implement the nfs_portmon setting, which allows remote attackers to access shares, and read, create, and modify arbitrary files, via unspecified vectors. Impact: CVSS base score 10.0 CVSS impact score 10.0 CVSS exploitability score 10.0 confidentialityImpact COMPLETE integrityImpact COMPLETE availabilityImpact COMPLETE Details: Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives

Contributors

Talos research team. This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology. For more information see [nvd].

MITRE ATT&CK Framework

Tactic:

Technique:

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

CVE

Rule Vulnerability

CVE Additional Information

CVE-2009-2296
The NFSv4 server kernel module in Sun Solaris 10, and OpenSolaris before snv_119, does not properly implement the nfs_portmon setting, which allows remote attackers to access shares, and read, create, and modify arbitrary files, via unspecified vectors.
Details
SeverityHIGH Base Score10.0
Impact Score10.0 Exploit Score10.0
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access Vector
AuthenticationNONE Ease of Access
CVE-2009-3517
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.
Details
SeverityHIGH Base Score10.0
Impact Score10.0 Exploit Score10.0
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access Vector
AuthenticationNONE Ease of Access