CVE-2020-13935
Publication date 14 July 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.
Status
Package | Ubuntu Release | Status |
---|---|---|
tomcat6 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial |
Needs evaluation
|
|
14.04 LTS trusty |
Needs evaluation
|
|
tomcat7 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial |
Needs evaluation
|
|
14.04 LTS trusty |
Needs evaluation
|
|
tomcat8 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial |
Fixed 8.0.32-1ubuntu1.13
|
|
14.04 LTS trusty | Not in release | |
tomcat9 | 24.04 LTS noble |
Not affected
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Fixed 9.0.31-1ubuntu0.1
|
|
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 · High |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4448-1
- Tomcat vulnerabilities
- 4 August 2020
- USN-4596-1
- Tomcat vulnerabilities
- 21 October 2020