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Jsrsasign Project Jsrsasign Node.jsAn issue was discovered in the jsrsasign package through 8.0.18 for Node.js. It allows a malleabilit…

Risk 43
Severity
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

First published (updated )
CVE-2020-14966

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