QID 981345

QID 981345: Python (pip) Security Update for ecdsa (GHSA-8qxj-f9rh-9fg2)

A flaw was found in all python-ecdsa versions before 0.13.3, 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.

Successful exploitation of this vulnerability may affect the confidentiality, integrity, and availability of the targeted user.

  • CVSS V3 rated as Critical - 9.1 severity.
  • CVSS V2 rated as High - 6.4 severity.
    • Solution
    Customers are advised to refer to GHSA-8qxj-f9rh-9fg2 for updates pertaining to this vulnerability.
    Vendor References

    CVEs related to QID 981345

    CVE-2019-14859 |
    Software Advisories
    Advisory ID Software Component Link
    GHSA-8qxj-f9rh-9fg2 ecdsa URL Logo github.com/advisories/GHSA-8qxj-f9rh-9fg2
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