SB2019121850 - Input validation error in py3-ecdsa (Alpine package)
Published: December 18, 2019
Security Bulletin ID
SB2019121850
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2019-14853)
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 update from vendor's website.