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Ubuntu Security Notice USN-6506-1
Ubuntu Security Notice 6506-1 - 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. 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.
==========================================================================Ubuntu Security Notice USN-6506-1November 22, 2023apache2 vulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 23.10- Ubuntu 23.04- Ubuntu 22.04 LTS- Ubuntu 20.04 LTSSummary:Several security issues were fixed in Apache HTTP Server.Software Description:- apache2: Apache HTTP serverDetails:David Shoon discovered that the Apache HTTP Server mod_macro moduleincorrectly handled certain memory operations. A remote attacker couldpossibly use this issue to cause the server to crash, resulting in a denialof service. (CVE-2023-31122)Prof. Sven Dietrich, Isa Jafarov, Prof. Heejo Lee, and Choongin Leediscovered that the Apache HTTP Server incorrectly handled certain HTTP/2connections. A remote attacker could possibly use this issue to cause theserver to consume resources, leading to a denial of service. This issueonly affected Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-43622)Will Dormann and David Warren discovered that the Apache HTTP Serverincorrectly handled memory when handling HTTP/2 connections. A remoteattacker could possibly use this issue to cause the server to consumeresources, leading to a denial of service. (CVE-2023-45802)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 23.10: apache2 2.4.57-2ubuntu2.1Ubuntu 23.04: apache2 2.4.55-1ubuntu2.1Ubuntu 22.04 LTS: apache2 2.4.52-1ubuntu4.7Ubuntu 20.04 LTS: apache2 2.4.41-4ubuntu3.15In general, a standard system update will make all the necessary changes.References: https://ubuntu.com/security/notices/USN-6506-1 CVE-2023-31122, CVE-2023-43622, CVE-2023-45802Package Information: 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/apache2/2.4.41-4ubuntu3.15Related news
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