Moderate: libssh security update
Summary
ALSA-2024:0628: Moderate: libssh security update. Affects libssh versions < 0.9.6-13.el8_9. Fixed in 0.9.6-13.el8_9. How to fix ↓
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Background
libssh is a library that implements the SSH protocol, allowing the development of client and server applications. It provides a secure means of remote access and file transfer over a network. The library is widely used in various software applications and systems.
Vulnerability Detail
The vulnerability in libssh is related to a prefix truncation attack on the Binary Packet Protocol (BPP). This vulnerability, identified as CVE-2023-48795, allows an attacker to manipulate the prefix of a packet, potentially leading to unauthorized access or information disclosure. The impact of this vulnerability can vary depending on the specific implementation and usage of libssh.
How To Fix
Minimum fixed version
0.9.6-13.el8_9
This is the first release that contains the fix.
sudo dnf update libsshTip — 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 approach is to update libssh to the fixed version.
Conclusion
In conclusion, the libssh library has a vulnerability related to a prefix truncation attack on the Binary Packet Protocol. It is crucial to update libssh to version 0.9.6-13.el8_9 or later to mitigate this vulnerability and ensure the security of systems using libssh. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for libssh →
FAQ
libssh is a library that implements the SSH protocol, enabling secure remote access and file transfer over a network.
The impact of this vulnerability can vary depending on the specific implementation and usage of libssh. It could potentially lead to unauthorized access or information disclosure.
To fix this vulnerability, update libssh to version 0.9.6-13.el8_9 or later.
There is no specific workaround mentioned for this vulnerability. Updating libssh to the fixed version is the recommended approach.
You can find more information about this vulnerability, including the impact, CVSS score, and acknowledgments, on the CVE page listed in the References section.
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