Privilege Escalation in oar
Summary
DSA-3543-1: oar - security update. Affects oar versions < 2.5.2-3+deb7u1. Fixed in 2.5.2-3+deb7u1. How to fix ↓
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Background
OAR is a software used to manage jobs and resources of HPC (High-Performance Computing) clusters. It provides a framework for scheduling and executing jobs on a cluster of computers. The oarsh command in OAR is used for remote execution of commands on compute nodes. This vulnerability in oarsh allows an attacker to escalate their privileges on the system.
Vulnerability Detail
The oarsh command in OAR lacks proper sanitization, which can be exploited by an attacker to escalate their privileges. By crafting malicious commands, an attacker can execute arbitrary code with elevated privileges, potentially compromising the entire system. This vulnerability poses a significant risk to the security and integrity of HPC clusters.
How To Fix
Minimum fixed version
2.5.2-3+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade oarTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. The recommended solution is to upgrade to the fixed versions of the oar package.
Conclusion
The privilege escalation vulnerability in oarsh can lead to severe consequences for HPC clusters. It is crucial to upgrade the oar package to the fixed versions to mitigate this risk. For further support and assistance in vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for oar →
FAQ
OAR is a software used to manage jobs and resources of HPC clusters. It provides scheduling and execution capabilities for distributed computing environments.
This vulnerability allows an attacker to escalate their privileges on the system, potentially compromising the entire HPC cluster.
You can use Vulert's playground (https://vulert.com/scanner) to check if your oar package is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will provide real-time alerts for open-source vulnerabilities.
There are no known public exploits for this vulnerability at the moment. However, it is crucial to apply the recommended fix to prevent any potential attacks.
You can find more information about this vulnerability in the Debian Security Advisory DSA-3543-1 (https://storage.googleapis.com/debian-osv/dsa-osv/DSA-3543-1.json).
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