CVE-2021-30640
Publication date 12 July 2021
Last updated 24 July 2024
Ubuntu priority
A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65.
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 |
Needs evaluation
|
|
| 14.04 LTS trusty | Not in release | |
| tomcat9 | 24.04 LTS noble |
Needs evaluation
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Fixed 9.0.31-1ubuntu0.2
|
|
| 18.04 LTS bionic |
Fixed 9.0.16-3ubuntu0.18.04.2
|
|
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.5 · Medium
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-5360-1
- Tomcat vulnerabilities
- 31 March 2022
Other references
- https://bz.apache.org/bugzilla/show_bug.cgi?id=65224
- https://github.com/apache/tomcat/commit/c4df8d44a959a937d507d15e5b1ca35c3dbc41eb (9.0.46)
- https://github.com/apache/tomcat/commit/749f3cc192c68c34f2375509aea087be45fc4434 (9.0.46)
- https://github.com/apache/tomcat/commit/c6b6e1015ae44c936971b6bf8bce70987935b92e (9.0.46)
- https://github.com/apache/tomcat/commit/91ecdc61ce3420054c04114baaaf1c1e0cbd5d56 (9.0.46)
- https://github.com/apache/tomcat/commit/e50067486cf86564175ca0cfdcbf7d209c6df862 (9.0.46)
- https://github.com/apache/tomcat/commit/b5585a9e5d4fec020cc5ebadb82f899fae22bc43 (9.0.46)
- https://github.com/apache/tomcat/commit/329932012d3a9b95fde0b18618416e659ecffdc0 (9.0.46)
- https://github.com/apache/tomcat/commit/3ce84512ed8783577d9945df28da5a033465b945 (9.0.46)
- https://github.com/apache/tomcat/commit/24dfb30076997b640e5123e92c4b8d7f206f609c (8.5.66)
- https://github.com/apache/tomcat/commit/0a272b00aed57526dbfc8b881ab253c23c61f100 (8.5.66)
- https://github.com/apache/tomcat/commit/c9f21a2a7908c7c4ecd4f9bb495d3ee36a2bd822 (8.5.66)
- https://github.com/apache/tomcat/commit/4e86b4ea0d1a9b00fa93971c31b93ad1bd49c7fe (8.5.66)
- https://github.com/apache/tomcat/commit/79580e7f70a07c083be07307376511bb864d5a7b (8.5.66)
- https://github.com/apache/tomcat/commit/d3407672774e372fae8b5898d55f85d16f22b972 (8.5.66)
- https://github.com/apache/tomcat/commit/6a9129ac9bd06555ce04bb564a76fc3987311f38 (8.5.66)
- https://github.com/apache/tomcat/commit/ad22db641dcd61c2e8078f658fa709897b5da375 (8.5.66)
- https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0a9b65fd26d1fe8%40%3Cannounce.tomcat.apache.org%3E
- https://www.cve.org/CVERecord?id=CVE-2021-30640