Fedora python-ecdsa CVE-2019-14859 Signature Verification Bypass Vulnerability

Description

A flaw was found in python-ecdsa where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable signature to create false transactions.

Affected Applications

python-ecdsa

CVE References

Other References