GMS-2022-64: Signatures are mistakenly recognized to be valid in jsrsasign

February 9, 2022

In the jsrsasign package through 10.1.13 for Node.js, some invalid RSA PKCS#1 v1.5 signatures are mistakenly recognized to be valid. NOTE: there is no known practical attack.

References

github.com/advisories/GHSA-h87q-g2wp-47pj
github.com/kjur/jsrsasign/issues/478
github.com/kjur/jsrsasign/releases/tag/10.1.13
github.com/kjur/jsrsasign/releases/tag/10.2.0
kjur.github.io/jsrsasign/
nvd.nist.gov/vuln/detail/CVE-2021-30246

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