SB2020010921 - Denial of service due to usage of vulnerable Nimbus JOSE+JWT in Pivotal Spring Security
Published: January 9, 2020 Updated: February 6, 2020
Security Bulletin ID
SB2020010921
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2019-17195)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to Nimbus JOSE+JWT throws various uncaught exceptions while parsing a JWT. A remote attacker can send a specially crafted JWT token and cause the application to crash or potentially bypass authentication.
Remediation
Install update from vendor's website.