An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled.
Weakness
The product does not handle or incorrectly handles an exceptional condition.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Haproxy | Haproxy | 2.2.0 (including) | 2.2.16 (excluding) |
| Haproxy | Haproxy | 2.3.0 (including) | 2.3.13 (excluding) |
| Haproxy | Haproxy | 2.4.0 (including) | 2.4.3 (excluding) |
| Red Hat OpenShift Container Platform 4.8 | RedHat | haproxy-0:2.2.13-2.el7 | * |
| Red Hat OpenShift Container Platform 4.9 | RedHat | haproxy-0:2.2.15-2.el8 | * |
| Haproxy | Ubuntu | devel | * |
| Haproxy | Ubuntu | hirsute | * |
| Haproxy | Ubuntu | impish | * |
| Haproxy | Ubuntu | jammy | * |
| Haproxy | Ubuntu | trusty | * |
| Haproxy | Ubuntu | xenial | * |
References
- https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=b5d2b9e154d78e4075db163826c5e0f6d31b2ab1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/
- https://www.debian.org/security/2021/dsa-4960
- https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html
- https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=b5d2b9e154d78e4075db163826c5e0f6d31b2ab1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/
- https://www.debian.org/security/2021/dsa-4960
- https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html