SARA / Free Tools / CVE / CVE-2023-32690

CVE-2023-32690 — libspdm is a sample implementation that follows the DMTF SPDM specifications

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 re

CVSS
5.7 MEDIUM
EPSS
0.18% (top 60.20%)
CWE
CWE-20
Published
2023-06-01T16:15:21.052Z
Last modified
2025-01-08T21:40:03.246Z
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
DMTFlibspdm< 2.3.3

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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