PROTOCOL-RPC -- Snort has detected traffic that may indicate the presence of the rpc protocol or vulnerabilities in the rpc protocol on the network.
PROTOCOL-RPC Linux Kernel nfsd v2 udp CAP_MKNOD security bypass attempt
nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option. Impact: CVSS base score 4.9 CVSS impact score 6.9 CVSS exploitability score 3.9 confidentialityImpact NONE integrityImpact COMPLETE availabilityImpact COMPLETE Details: Ease of Attack:
No public information
No known false positives
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].
Tactic:
Technique:
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org
CVE-2009-1072nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option. |
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