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CVE-2014-0748

Status Candidate

Overview

apinit on Cray devices with CLE before 4.2.UP02 and 5.x before 5.1.UP00 does not use alpsauth data to validate the UID in a launch message, which allows local users to gain privileges via a modified aprun program, aka ID FN5912.

Related Files

Cray Aprun / Apinit Privilege Escalation
Posted Feb 11, 2014
Authored by Luke Jennings, John Fitzpatrick | Site mwrinfosecurity.com

Apinit and aprun are utilities used to schedule tasks on Cray supercomputers. Apinit runs as a service on compute nodes and aprun is used to communicate with these nodes. The apinit service does not safely validate messages supplied to it through the use of aprun. Users of Cray systems are able to exploit this weakness in order to execute commands on the compute nodes of a Cray supercomputer as arbitrary users, including root (UID 0).

tags | exploit, arbitrary, root
advisories | CVE-2014-0748
MD5 | 21d0b956caecbd9b1dd93392e55bf85b
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