CVE-2023-40225

HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the payload as an extra request.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://cwe.mitre.org/data/definitions/436.html	Technical Description
https://github.com/haproxy/haproxy/commit/6492f1f29d738457ea9f382aca54537f35f9d856	Patch
https://github.com/haproxy/haproxy/issues/2237	Exploit Issue Tracking Vendor Advisory
https://www.haproxy.org/download/2.6/src/CHANGELOG	Release Notes
https://www.haproxy.org/download/2.7/src/CHANGELOG	Release Notes
https://www.haproxy.org/download/2.8/src/CHANGELOG	Release Notes

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:haproxy:haproxy::::::::
	cpe:2.3:a:haproxy:haproxy::::::::
	cpe:2.3:a:haproxy:haproxy::::::::
	cpe:2.3:a:haproxy:haproxy::::::::
	cpe:2.3:a:haproxy:haproxy::::::::
	cpe:2.3:a:haproxy:haproxy::::::::

History

No history.

Information

Published : 2023-08-10 21:15

Updated : 2023-08-18 20:03

NVD link : CVE-2023-40225

Mitre link : CVE-2023-40225

CVE.ORG link : CVE-2023-40225

JSON object : View

Products Affected

haproxy

haproxy

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

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