CVE-2021-25122
Published: 1 March 2021
When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.
Notes
Author | Note |
---|---|
leosilva | tomcat6 is out of support , marking tomcat6 for precise as ignored. |
mdeslaur | tomcat 8.0 doesn't support HTTP/2, marking as not-affected |
Priority
Status
Package | Release | Status |
---|---|---|
tomcat6 Launchpad, Ubuntu, Debian |
jammy |
Does not exist
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
impish |
Does not exist
|
|
xenial |
Needs triage
|
|
upstream |
Needs triage
|
|
trusty |
Needs triage
|
|
bionic |
Does not exist
|
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
tomcat7 Launchpad, Ubuntu, Debian |
jammy |
Does not exist
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
impish |
Does not exist
|
|
xenial |
Needs triage
|
|
upstream |
Needs triage
|
|
trusty |
Needs triage
|
|
bionic |
Needs triage
|
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
tomcat8 Launchpad, Ubuntu, Debian |
focal |
Does not exist
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
jammy |
Does not exist
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code not present)
|
|
impish |
Does not exist
|
|
bionic |
Needs triage
|
|
Patches: upstream: https://github.com/apache/tomcat/commit/bb0e7c1e0d737a0de7d794572517bce0e91d30fa |
||
tomcat9 Launchpad, Ubuntu, Debian |
bionic |
Released
(9.0.16-3ubuntu0.18.04.2)
|
focal |
Released
(9.0.31-1ubuntu0.2)
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
jammy |
Needs triage
|
|
lunar |
Needs triage
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
impish |
Ignored
(end of life)
|
|
Patches: upstream: https://github.com/apache/tomcat/commit/d47c20a776e8919eaca8da9390a32bc8bf8210b1 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25122
- https://www.openwall.com/lists/oss-security/2021/03/01/1
- http://www.openwall.com/lists/oss-security/2021/03/01/1
- https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cannounce.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cusers.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/rf6d5d57b114678d8898005faef31e9fd6d7c981fcc4ccfc3bc272fc9@%3Cdev.tomcat.apache.org%3E
- https://ubuntu.com/security/notices/USN-5360-1
- NVD
- Launchpad
- Debian