CVE-2024-38473: Apache HTTP Server proxy encoding problem
First published: Mon Jul 01 2024(Updated: )
Apache HTTP Server could allow a remote attacker to bypass security restrictions, caused by an encoding flaw in mod_proxy. By sending specially crafted requests with incorrect encoding an attacker could exploit this vulnerability to bypass authentication validation.
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 | |
| IBM Planning Analytics | <=2.1 | |
| IBM Planning Analytics | <=2.0 | |
| F5 F5OS | =1.7.0>=1.5.1<=1.5.2 | |
| F5 F5OS | >=1.6.0<=1.6.2 | |
| F5 Traffix Systems Signaling Delivery Controller | =5.2.0=5.1.0 |
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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-2024-38473
- https://nvd.nist.gov/vuln/detail/CVE-2024-38473
- https://launchpad.net/bugs/cve/CVE-2024-38473
- https://security-tracker.debian.org/tracker/CVE-2024-38473
- https://ubuntu.com/security/CVE-2024-38473
- https://access.redhat.com/errata/RHSA-2024:4720
- https://access.redhat.com/errata/RHSA-2024:4726
- https://access.redhat.com/errata/RHSA-2024:5001
- https://access.redhat.com/errata/RHSA-2024:5240
- https://access.redhat.com/errata/RHSA-2024:5239
- https://bugzilla.redhat.com/show_bug.cgi?id=2295012
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-38473
- https://github.com/apache/httpd/pull/457
- https://github.com/apache/httpd/pull/458
- https://github.com/apache/httpd/commit/b10cb2d69184843832d501a615abe3e8e5e256dc
- https://github.com/apache/httpd/commit/6b8e043ce4f27114e6ae1b8176b629b7cb3fbbce
- https://github.com/apache/httpd/commit/cc00cf6b4e37370897daddc307bf1deecf8fedfa
- https://github.com/apache/httpd/commit/4326d6b9041a3bcb9b529f9163d0761c2d760700
- https://bz.apache.org/bugzilla/show_bug.cgi?id=69160
- https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/2073515
- https://bugs.debian.org/1076554
- https://github.com/apache/httpd/commit/2f2f82a2225c5c3b6bb2fa4056541682e34763d4
- https://bz.apache.org/bugzilla/show_bug.cgi?id=69203
- https://bugs.debian.org/1079171
- https://my.f5.com/manage/s/article/K000140505
- https://www.ibm.com/support/pages/node/7168387 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-38473?
CVE-2024-38473 has been classified with a high severity due to its potential to allow remote attackers to bypass authentication.
How do I fix CVE-2024-38473?
To fix CVE-2024-38473, update your Apache HTTP Server to patched versions 2.4.62-1~deb11u1, 2.4.61-1~deb11u1, or higher.
Which software is affected by CVE-2024-38473?
CVE-2024-38473 affects Apache HTTP Server, IBM Planning Analytics, and various F5 products including F5OS-A and Traffix SDC.
Can CVE-2024-38473 be exploited remotely?
Yes, CVE-2024-38473 can be exploited remotely by attackers sending specially crafted requests.
What kind of attacks can CVE-2024-38473 facilitate?
CVE-2024-38473 can facilitate authentication bypass attacks due to an encoding flaw in mod_proxy.
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