Advisories » MGASA-2020-0002

Updated python-ecdsa packages fix security vulnerabilities

Publication date: 05 Jan 2020
Modification date: 05 Jan 2020
Type: security
Affected Mageia releases : 7
CVE: CVE-2019-14853 , CVE-2019-14859

Description

Updated python-ecdsa packages fix security vulnerabilities:

It was discovered that python-ecdsa incorrectly handled certain signatures.
A remote attacker could possibly use this issue to cause python-ecdsa to
generate unexpected exceptions, resulting in a denial of service
(CVE-2019-14853).

It was discovered that python-ecdsa incorrectly verified DER encoding in
signatures. A remote attacker could use this issue to perform certain
malleability attacks (CVE-2019-14859).
                

References

• https://bugs.mageia.org/show_bug.cgi?id=25729
• https://usn.ubuntu.com/4196-1/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14853
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14859

SRPMS

7/core

• python-ecdsa-0.13.3-1.mga7