SB2021040608 - Denial of service in Apache CXF
Published: April 6, 2021
Security Bulletin ID
SB2021040608
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-2021-22696)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper validation of "request_uri" parameter by the OAuth 2 authorization service. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- http://www.openwall.com/lists/oss-security/2021/04/02/2
- https://cxf.apache.org/security-advisories.data/CVE-2021-22696.txt.asc
- https://lists.apache.org/thread.html/r6445001cc5f9a2bb1e6316993753306e054bdd1d702656b7cbe59045@%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/r8651c06212c56294a1c0ea61a5ad7790c06502209c03f05c0c7c9914@%3Cdev.cxf.apache.org%3E
- https://lists.apache.org/thread.html/r8651c06212c56294a1c0ea61a5ad7790c06502209c03f05c0c7c9914@%3Cusers.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4@%3Ccommits.cxf.apache.org%3E