Input validation error in Apache Traffic Server - CVE-2021-27737
Published: June 30, 2021
Vulnerability identifier: #VU54458
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-27737
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 in the experimental Slicer plugin. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
Apache Traffic Server
How to mitigate CVE-2021-27737
Install updates from vendor's website.
Apache Traffic Server - update to 9.0.1
External References
- https://lists.apache.org/thread.html/r74f72650c3590478f028ea3a1b8cab2a33d20ad9ff407e894ca70525%40%3Cannounce.trafficserver.apache.org%3E
- https://lists.apache.org/thread.html/r74f72650c3590478f028ea3a1b8cab2a33d20ad9ff407e894ca70525@%3Cdev.trafficserver.apache.org%3E
- https://lists.apache.org/thread.html/r74f72650c3590478f028ea3a1b8cab2a33d20ad9ff407e894ca70525@%3Cannounce.trafficserver.apache.org%3E
- https://lists.apache.org/thread.html/r74f72650c3590478f028ea3a1b8cab2a33d20ad9ff407e894ca70525@%3Cusers.trafficserver.apache.org%3E