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AUSCERT External Security Bulletin Redistribution
ESB-2024.2378
USN-6729-2: Apache HTTP Server vulnerabilities
18 April 2024
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AusCERT Security Bulletin Summary
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Product: Apache HTTP Server
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2023-38709 CVE-2024-27316 CVE-2024-24795
Original Bulletin:
https://ubuntu.com/security/notices/USN-6729-2
Comment: CVSS (Max): 7.5 CVE-2024-27316 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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USN-6729-2: Apache HTTP Server vulnerabilities
17 April 2024
Several security issues were fixed in Apache HTTP Server.
Releases
o Ubuntu 18.04 ESM
o Ubuntu 16.04 ESM
Packages
o apache2 - Apache HTTP server
Details
USN-6729-1 fixed several vulnerabilities in Apache. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
Original advisory details:
Orange Tsai discovered that the Apache HTTP Server incorrectly handled
validating certain input. A remote attacker could possibly use this
issue to perform HTTP request splitting attacks. ( CVE-2023-38709 )
Keran Mu and Jianjun Chen discovered that the Apache HTTP Server
incorrectly handled validating certain input. A remote attacker could
possibly use this issue to perform HTTP request splitting attacks.
( CVE-2024-24795 )
Bartek Nowotarski discovered that the Apache HTTP Server HTTP/2 module
incorrectly handled endless continuation frames. A remote attacker could
possibly use this issue to cause the server to consume resources, leading
to a denial of service. This issue was addressed only in Ubuntu 18.04 LTS.
( CVE-2024-27316 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 18.04
o apache2 - 2.4.29-1ubuntu4.27+esm2
Available with Ubuntu Pro
Ubuntu 16.04
o apache2 - 2.4.18-2ubuntu3.17+esm12
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
o CVE-2024-27316
o CVE-2024-24795
o CVE-2023-38709
Related notices
o USN-6729-1 : apache2-data, apache2, apache2-ssl-dev, apache2-bin,
apache2-suexec-pristine, libapache2-mod-md, apache2-utils,
apache2-suexec-custom, apache2-dev, libapache2-mod-proxy-uwsgi, apache2-doc
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