#VU22619 Input validation error in python-ecdsa - CVE-2019-14853
Published: November 10, 2019
Vulnerability identifier: #VU22619
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-14853
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
python-ecdsa
python-ecdsa
Software vendor:
Brian Warner
Brian Warner
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when decoding digital signatures. A remote attacker can send specially crafted data to the application that uses Pure-Python ECDSA module and perform a denial of service attack.
Remediation
Install updates from vendor's website.