- Vulnerability/
- USN-6506-1
USN-6506-1: Apache HTTP Server vulnerabilities
First published: Wed Nov 22 2023(Updated: )
David Shoon discovered that the Apache HTTP Server mod_macro module incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. (CVE-2023-31122) Prof. Sven Dietrich, Isa Jafarov, Prof. Heejo Lee, and Choongin Lee discovered that the Apache HTTP Server incorrectly handled certain HTTP/2 connections. A remote attacker could possibly use this issue to cause the server to consume resources, leading to a denial of service. This issue only affected Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-43622) Will Dormann and David Warren discovered that the Apache HTTP Server incorrectly handled memory when handling HTTP/2 connections. A remote attacker could possibly use this issue to cause the server to consume resources, leading to a denial of service. (CVE-2023-45802)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/apache2 | <2.4.57-2ubuntu2.1 | 2.4.57-2ubuntu2.1 |
| Ubuntu Ubuntu | =23.10 | |
| All of | ||
| ubuntu/apache2 | <2.4.55-1ubuntu2.1 | 2.4.55-1ubuntu2.1 |
| Ubuntu Ubuntu | =23.04 | |
| All of | ||
| ubuntu/apache2 | <2.4.52-1ubuntu4.7 | 2.4.52-1ubuntu4.7 |
| Ubuntu Ubuntu | =22.04 | |
| All of | ||
| ubuntu/apache2 | <2.4.41-4ubuntu3.15 | 2.4.41-4ubuntu3.15 |
| Ubuntu Ubuntu | =20.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2023-45802
- https://ubuntu.com/security/CVE-2023-31122
- https://ubuntu.com/security/CVE-2023-43622
- https://ubuntu.com/security/notices/USN-6510-1
- https://launchpad.net/ubuntu/+source/apache2/2.4.57-2ubuntu2.1
- https://launchpad.net/ubuntu/+source/apache2/2.4.55-1ubuntu2.1
- https://launchpad.net/ubuntu/+source/apache2/2.4.52-1ubuntu4.7
- https://launchpad.net/ubuntu/+source/apache2/2.4.41-4ubuntu3.15
- https://ubuntu.com/security/notices/USN-6506-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for this advisory?
CVE-2023-31122
What is the affected software for this vulnerability?
Apache HTTP Server mod_macro module
What is the severity of this vulnerability?
Not specified.
How can I check if my system is affected?
Check the version of Apache HTTP Server mod_macro module installed on your system.
What is the recommended remedy for this vulnerability?
Upgrade Apache HTTP Server mod_macro module to version 2.4.57-2ubuntu2.1 or higher.
- agent/severity
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- collector/usn
- source/Ubuntu
- anchor-related/USN-6510-1
- agent/software-canonical-lookup
- agent/references
- agent/title
- agent/tags
- agent/description
- agent/event
- agent/trending
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu ubuntu
- version/ubuntu ubuntu/23.10
- version/ubuntu ubuntu/23.04
- version/ubuntu ubuntu/22.04
- version/ubuntu ubuntu/20.04