CVE-2023-32690
5.7 · MEDIUMOverview
CVE-2023-32690 is a medium-severity vulnerability affecting dmtf libspdm. It was published on June 1, 2023 and has a CVSS 3.1 base score of 5.7 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
libspdm is a sample implementation that follows the DMTF SPDM specifications. Prior to versions 2.3.3 and 3.0, following a successful CAPABILITIES response, a libspdm Requester stores the Responder's CTExponent into its context without validation. If the Requester sends a request message that requires a cryptography operation by the Responder, such as CHALLENGE, libspdm will calculate the timeout value using the Responder's unvalidated CTExponent.
A patch is available in version 2.3.3. A workaround is also available. After completion of VCA, the Requester can check the value of the Responder's CTExponent. If it greater than or equal to 64, then the Requester can stop communication with the Responder.
Remediation
Check the references section for vendor advisories and patches from dmtf. Update libspdm 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 |
|---|---|---|---|
| dmtf | libspdm | >= 0, < 2.3.3 | Affected |
References
Frequently Asked Questions
What is CVE-2023-32690?
CVE-2023-32690 is a medium-severity vulnerability affecting dmtf libspdm. It was published on June 1, 2023 and has a CVSS 3.1 base score of 5.7 (MEDIUM).
How severe is CVE-2023-32690?
This vulnerability has a CVSS 3.1 base score of 5.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-32690?
Check the references section for vendor advisories and patches from dmtf. Update libspdm 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-2023-32690?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-32690 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
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