CVE-2024-36387: Apache HTTP Server: DoS by Null pointer in websocket over HTTP/2
First published: Mon Jul 01 2024(Updated: )
Last updated 24 July 2024
Credit: security@apache.org security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/apache2 | 2.4.62-1~deb11u1 2.4.61-1~deb11u1 2.4.62-1~deb12u1 2.4.62-1~deb12u2 2.4.62-3 |
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Reference Links
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://security.netapp.com/advisory/ntap-20240712-0001/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36387
- https://nvd.nist.gov/vuln/detail/CVE-2024-36387
- https://launchpad.net/bugs/cve/CVE-2024-36387
- https://security-tracker.debian.org/tracker/CVE-2024-36387
- https://ubuntu.com/security/CVE-2024-36387
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-36387
- https://github.com/apache/httpd/commit/62aa64e5aea21dd969db97aded4443c98c0735ac
- https://svn.apache.org/viewvc?view=revision&revision=1918557)
- http://www.openwall.com/lists/oss-security/2024/07/01/4
- https://access.redhat.com/errata/RHSA-2024:8680
- https://access.redhat.com/errata/RHSA-2025:3453
- https://access.redhat.com/errata/RHSA-2025:3452
- https://bugzilla.redhat.com/show_bug.cgi?id=2295006
Frequently Asked Questions
What is the severity of CVE-2024-36387?
CVE-2024-36387 has a severity rating that indicates it can lead to server crashes and performance degradation.
How do I fix CVE-2024-36387?
To fix CVE-2024-36387, update your Apache2 package to versions 2.4.62-1~deb11u1, 2.4.61-1~deb11u1, 2.4.62-1~deb12u1, 2.4.62-1~deb12u2, or 2.4.62-3.
What causes the vulnerability CVE-2024-36387?
CVE-2024-36387 is caused by serving WebSocket protocol upgrades over HTTP/2 connections, which can lead to a Null Pointer dereference.
Who is affected by CVE-2024-36387?
CVE-2024-36387 affects users running specific versions of the Apache2 web server under Debian.
What are the potential impacts of CVE-2024-36387?
The potential impacts of CVE-2024-36387 include crashes of the server process and degraded performance.
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