CVE-2019-25061 — The random_password_generator (aka RandomPasswordGenerator) gem through 1

The random_password_generator (aka RandomPasswordGenerator) gem through 1.0.0 for Ruby uses Kernel#rand to generate passwords, which, due to its cyclic nature, can facilitate password prediction.

01What is this vulnerability?

The random_password_generator (aka RandomPasswordGenerator) gem through 1.0.0 for Ruby uses Kernel#rand to generate passwords, which, due to its cyclic nature, can facilitate password prediction.

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: 2022-05-18T05:49:20.000Z
• Last modified: 2024-08-05T03:00:19.045Z

09References

• github.com — https://github.com/bvsatyaram/random_password_generator/blob/2855e8d7d8803dbb580…
• ruby-doc.org — https://ruby-doc.org/core-3.1.2/Random.html
• stackoverflow.com — https://stackoverflow.com/questions/42170239/security-of-rand-in-ruby-compared-t…
• github.com — https://github.com/bvsatyaram/random_password_generator/pull/1