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Red Hat OpenShift: CVE-2021-40346: haproxy: request smuggling attack or response splitting via duplicate content-length header

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Red Hat OpenShift: CVE-2021-40346: haproxy: request smuggling attack or response splitting via duplicate content-length header

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
09/08/2021
Created
11/13/2021
Added
11/12/2021
Modified
03/26/2024

Description

An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.

Solution(s)

  • linuxrpm-upgrade-haproxy

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