CVE-2023-4695 — Use of Predictable Algorithm in Random Number Generator in GitHub repository pkp

Use of Predictable Algorithm in Random Number Generator in GitHub repository pkp/pkp-lib prior to 3.3.0-16.

01What is this vulnerability?

Use of Predictable Algorithm in Random Number Generator in GitHub repository pkp/pkp-lib prior to 3.3.0-16.

02Affected products

Vendor	Product	Versions
pkp	pkp/pkp	lib — unspecified

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: 2023-09-01T00:00:19.729Z
• Last modified: 2024-09-30T20:23:51.989Z

09References

• huntr.dev — https://huntr.dev/bounties/887c7fc7-70c8-482d-b570-350533af4702
• github.com — https://github.com/pkp/pkp-lib/commit/e5e7e543887fe77708aa31e07b18fe85f9b5a3b5