CVE-2021-39275
Published: 16 September 2021
ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
apache2 Launchpad, Ubuntu, Debian |
bionic |
Released
(2.4.29-1ubuntu4.17)
|
| focal |
Released
(2.4.41-4ubuntu3.5)
|
|
| hirsute |
Released
(2.4.46-4ubuntu1.2)
|
|
| impish |
Released
(2.4.48-3.1ubuntu2)
|
|
| jammy |
Released
(2.4.48-3.1ubuntu2)
|
|
| trusty |
Released
(2.4.7-1ubuntu4.22+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Released
(2.4.49-1)
|
|
| xenial |
Released
(2.4.18-2ubuntu3.17+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
|
Patches: upstream: https://github.com/apache/httpd/commit/ac62c7e7436560cf4f7725ee586364ce95c07804 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |