CVE-2021-30641
Published: 10 June 2021
Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'
Notes
| Author | Note |
|---|---|
| mdeslaur | looks like this was introduced in the patch for CVE-2019-0220, which was backported to bionic. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
apache2 Launchpad, Ubuntu, Debian |
bionic |
Released
(2.4.29-1ubuntu4.16)
|
| focal |
Released
(2.4.41-4ubuntu3.3)
|
|
| groovy |
Released
(2.4.46-1ubuntu1.2)
|
|
| hirsute |
Released
(2.4.46-4ubuntu1.1)
|
|
| impish |
Released
(2.4.46-4ubuntu2)
|
|
| jammy |
Released
(2.4.46-4ubuntu2)
|
|
| trusty |
Released
(2.4.7-1ubuntu4.22+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Released
(2.4.46-6)
|
|
| xenial |
Released
(2.4.18-2ubuntu3.17+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
|
Patches: upstream: https://github.com/apache/httpd/commit/eb986059aa5aa0b6c1d52714ea83e3dd758afdd1 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
References
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-30641
- https://lists.apache.org/thread.html/r2b4773944d83d2799de9fbaeee7fe0f3fd72669467787e02f434cb10@%3Cannounce.httpd.apache.org%3E
- http://www.openwall.com/lists/oss-security/2021/06/10/8
- https://ubuntu.com/security/notices/USN-4994-1
- https://ubuntu.com/security/notices/USN-4994-2
- https://www.cve.org/CVERecord?id=CVE-2021-30641
- NVD
- Launchpad
- Debian