jsrsasign Package Vulnerability: Incomplete Comparison Threat
Versions of the jsrsasign package from 7.0.0 to before 11.1.1 reportedly contain a vulnerability that could allow an attacker to recover the private key.
What happened
An early warning has been issued regarding a critical vulnerability in the jsrsasign package. Versions from 7.0.0 to before 11.1.1 appear to be affected by an Incomplete Comparison issue, which may enable an attacker to recover the DSA private key through biased nonce generation. This vulnerability is under investigation and has been tracked under the ID GHSA-5JX8-Q4CP-RHH6. To assess your exposure, check if your project dependencies include jsrsasign in the vulnerable version range. It is recommended to upgrade to jsrsasign version 11.1.1 or later as a precaution. For more detailed information, consult the primary sources.
How 0Day mitigates this
jsrsasign is anywhere in your dependency tree, the engineers who own the affected repositories get a push alert the moment it is flagged — no manual audit to remember to run.Read how this differs from waiting on a scanner to catch a known advisory, or see the exact, read-only access 0Day needs to do this for an organization.