CVE-2023-24025 — CRYSTALS-DILITHIUM (in Post-Quantum Cryptography Selected Algorithms 2022) in PQ

CRYSTALS-DILITHIUM (in Post-Quantum Cryptography Selected Algorithms 2022) in PQClean d03da30 may allow universal forgeries of digital signatures via a template side-channel attack because of intermediate data leakage of one vector.

01What is this vulnerability?

CRYSTALS-DILITHIUM (in Post-Quantum Cryptography Selected Algorithms 2022) in PQClean d03da30 may allow universal forgeries of digital signatures via a template side-channel attack because of intermediate data leakage of one vector.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

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

• Published: 2023-01-20T00:00:00.000Z
• Last modified: 2025-04-02T16:16:44.933Z

09References

• github.com — https://github.com/PQClean/PQClean/tree/d03da3053491e767ef842deaef43fc5bdb6bc911
• csrc.nist.gov — https://csrc.nist.gov/Projects/post-quantum-cryptography/selected-algorithms-202…
• eprint.iacr.org — https://eprint.iacr.org/2023/050