A vulnerability in Apache Tomcat allows an attacker to remotely trigger a denial of service. An error introduced as part of a change to improve error handling during non-blocking I/O meant that the error flag associated with the Request object was not reset between requests. This meant that once a non-blocking I/O error occurred, all future requests handled by that request object would fail. Users were able to trigger non-blocking I/O errors, e.g. by dropping a connection, thereby creating the possibility of triggering a DoS. Applications that do not use non-blocking I/O are not exposed to this vulnerability. This issue affects Apache Tomcat 10.0.3 to 10.0.4; 9.0.44; 8.5.64.
2021-07-12T15:15:08.333
2024-11-21T06:04:20.727
Modified
CVSSv3.1: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | apache | tomcat | 8.5.64 | Yes |
| Application | apache | tomcat | 9.0.44 | Yes |
| Application | apache | tomcat | 10.0.3 | Yes |
| Application | apache | tomcat | 10.0.4 | Yes |
| Application | mcafee | epolicy_orchestrator | < 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | mcafee | epolicy_orchestrator | 5.10.0 | Yes |
| Application | oracle | big_data_spatial_and_graph | < 23.1 | Yes |