CVE-2024-38473: Apache HTTP Server proxy encoding problem

Published Jul 1, 2024
·
Updated

Apache HTTP Server could allow a remote attacker to bypass security restrictions, caused by an encoding flaw in modproxy. By sending specially crafted requests with incorrect encoding an attacker could exploit this vulnerability to bypass authentication validation.

Other sources

Encoding problem in modproxy in Apache HTTP Server 2.4.59 and earlier allows request URLs with incorrect encoding to be sent to backend services, potentially bypassing authentication via crafted requests. Users are recommended to upgrade to version 2.4.60, which fixes this issue.

NVD

Affected Software

9 affected componentsFixes available
debian/apache2
2.4.62-1~deb11u12.4.61-1~deb11u12.4.62-1~deb12u12.4.62-1~deb12u22.4.62-3
F5 F5OS-A=1.7.0, >=1.5.1<=1.5.2
F5 F5OS-C>=1.6.0<=1.6.2
F5 Traffix SDC=5.2.0, =5.1.0
IBM R10.0<=10.1.3.0 10.0.245.0
IBM R9.4<=89.42.18.0 89.41.25.0 89.40.83.0
IBM R9.3<=89.33.52.0 89.33.45.0
Apache HTTP Server>=2.4.0<2.4.60
NetApp Ontap=9

Event History

Jul 1, 2024
CVE Published
via MITRE·06:14 PM
Data Sourced
via MITRE·06:14 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
Affected Software
Data Sourced
via Red Hat·07:21 PM
DescriptionSeverityAffected Software
Aug 3, 2024
Advisory Published
via F5·03:46 AM
Sep 14, 2024
Data Sourced
via Ubuntu·06:39 PM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

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.

2

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.

3

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.

4

Can CVE-2024-38473 be exploited remotely?

Yes, CVE-2024-38473 can be exploited remotely by attackers sending specially crafted requests.

5

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.

Contact

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