Inconsistent interpretation of HTTP requests in HAProxy - CVE-2024-53008

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Main Vulnerability Database Vulnerabilities #VU100972

Inconsistent interpretation of HTTP requests in HAProxy - CVE-2024-53008

Published: November 27, 2024


Vulnerability identifier: #VU100972
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-53008
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP/3 requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.


Affected software

HAProxy
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
openSUSE Leap
openEuler
Ubuntu
haproxy
haproxy-debuginfo
haproxy-debugsource
haproxy-help
haproxy (Ubuntu package)

How to mitigate CVE-2024-53008

Install updates from vendor's website.

HAProxy - addressed in versions 2.6.19, 2.8.11, 2.9.10, 3.0.3
haproxy - addressed in versions 2.6.6-14, 2.9.5-7
haproxy-debuginfo - addressed in versions 2.6.6-14, 2.9.5-7
haproxy-debugsource - addressed in versions 2.6.6-14, 2.9.5-7
haproxy-help - addressed in versions 2.6.6-14, 2.9.5-7
haproxy (Ubuntu package) - update to 2.8.5-1ubuntu3.2
haproxy-debuginfo - update to 2.8.11+git0.01c1056a4-150600.3.3.1
haproxy - update to 2.8.11+git0.01c1056a4-150600.3.3.1
haproxy-debugsource - update to 2.8.11+git0.01c1056a4-150600.3.3.1

External References

Related Security Bulletins