Input validation error in Nimbus JOSE+JWT - CVE-2019-17195
Published: January 9, 2020 / Updated: February 6, 2020
Vulnerability identifier: #VU24168
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-17195
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Connect2id Ltd.
Affected software:
Nimbus JOSE+JWT
Nimbus JOSE+JWT
Detailed vulnerability description
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.
How to mitigate CVE-2019-17195
Install updates from vendor's website.
Sources
- https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/SECURITY-CHANGELOG.txt
- https://connect2id.com/blog/nimbus-jose-jwt-7-9
- https://lists.apache.org/thread.html/8768553cda5838f59ee3865cac546e824fa740e82d9dc2a7fc44e80d@%3Ccommon-dev.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/e10d43984f39327e443e875adcd4a5049193a7c010e81971908caf41@%3Ccommon-issues.hadoop.apache.org%3E