CVE-2020-35452
Published: 10 June 2021
Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in mod_auth_digest. There is no report of this overflow being exploitable, nor the Apache HTTP Server team could create one, though some particular compiler and/or compilation option might make it possible, with limited consequences anyway due to the size (a single byte) and the value (zero byte) of the overflow
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)
|
|
upstream |
Released
(2.4.46-6)
|
|
xenial |
Released
(2.4.18-2ubuntu3.17+esm1)
|
|
Patches: upstream: https://github.com/apache/httpd/commit/3b6431eb9c9dba603385f70a2131ab4a01bf0d3b |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.3 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity impact | Low |
Availability impact | Low |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35452
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-35452
- https://lists.apache.org/thread.html/rccb1b8225583a48c6360edc7a93cc97ae8b0215791e455dc607e7602@%3Cannounce.httpd.apache.org%3E
- http://www.openwall.com/lists/oss-security/2021/06/10/5
- https://ubuntu.com/security/notices/USN-4994-1
- https://ubuntu.com/security/notices/USN-4994-2
- NVD
- Launchpad
- Debian