Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2023-40225

Date: August 9, 2023

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.

Language: C

Severity Score

Related Resources (9)

https://github.com/haproxy/haproxy/commit/6492f1f29d738457ea9f382aca54537f35f9d856
https://security-tracker.debian.org/tracker/CVE-2023-40225
https://www.haproxy.org/download/2.8/src/CHANGELOG
https://nvd.nist.gov/vuln/detail/CVE-2023-40225
https://cwe.mitre.org/data/definitions/436.html
https://www.haproxy.org/download/2.7/src/CHANGELOG
https://github.com/haproxy/haproxy/issues/2237
https://www.haproxy.org/download/2.6/src/CHANGELOG
https://www.mend.io/vulnerability-database/CVE-2023-40225

Severity Score

Weakness Type (CWE)

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

CWE-444

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

Do you need more information?

Contact Us