CVE List

CVE-2020-14966

Critical 7.5

An issue was discovered in the jsrsasign package through 8.0.18 for Node.js. It allows a malleability in ECDSA signatures by not checking overflows in the length of a sequence and '0' characters appended or prepended to an integer. The modified signatures are verified as valid. This could have a security-relevant impact if an application relied on a single canonical signature.

Published June 22, 2020.

Affected software

Jsrsasign Project Jsrsasign

Reference links

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