OpenSSH Remote Code Execution in ssh-agent PKCS#11 Support
Summary
ALSA-2023:4412: Important: openssh security update. Affects openssh versions < 8.7p1-30.el9_2. Fixed in 8.7p1-30.el9_2. How to fix ↓
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Background
OpenSSH is an SSH protocol implementation used by various Linux, UNIX, and similar operating systems. It provides the necessary files for both the OpenSSH client and server. OpenSSH enables secure remote login, file transfer, and tunneling capabilities over an unsecured network. It is widely used for secure system administration and secure file transfers.
Vulnerability Detail
The vulnerability identified as CVE-2023-38408 affects OpenSSH and allows for remote code execution in ssh-agent PKCS#11 support. This vulnerability can be exploited by an attacker to execute arbitrary code on the target system, potentially leading to a complete compromise of the system. The impact of this vulnerability is significant, as it allows an attacker to gain unauthorized access and control over the affected system.
How To Fix
Minimum fixed version
8.7p1-30.el9_2
This is the first release that contains the fix.
sudo dnf update opensshTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the security update as soon as possible to protect the system from potential exploitation.
Conclusion
The OpenSSH remote code execution vulnerability in ssh-agent PKCS#11 support poses a significant risk to affected systems. It is crucial to update the OpenSSH package to the recommended version to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
OpenSSH is an SSH protocol implementation used for secure remote login, file transfer, and tunneling capabilities over an unsecured network.
The vulnerability allows for remote code execution in ssh-agent PKCS#11 support, potentially leading to a complete compromise of the affected system.
To fix this vulnerability, update the OpenSSH package to version 8.7p1-30.el9_2 or later.
There is no known workaround for this vulnerability. It is crucial to apply the security update as soon as possible.
You can find more information about this vulnerability in the CVE page listed in the References section.
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