CVE-2023-6918
3.7 · LOWOverview
CVE-2023-6918 is a low-severity vulnerability affecting libssh libssh. It was published on December 19, 2023 and has a CVSS 3.1 base score of 3.7 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.
Remediation
Check the references section for vendor advisories and patches from libssh. Update libssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| libssh | libssh | >= 0.9.0, < 0.9.8 | Affected |
References
Frequently Asked Questions
What is CVE-2023-6918?
CVE-2023-6918 is a low-severity vulnerability affecting libssh libssh. It was published on December 19, 2023 and has a CVSS 3.1 base score of 3.7 (LOW).
How severe is CVE-2023-6918?
This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-6918?
Check the references section for vendor advisories and patches from libssh. Update libssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-6918?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-6918 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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