An issue was discovered in HAProxy 2.0 before 2.0.24, 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. An HTTP method name may contain a space followed by the name of a protected resource. It is possible that a server would interpret this as a request for that protected resource, such as in the "GET /admin? HTTP/1.1 /static/images HTTP/1.1" example. Reference: https://www.mail-archive.com/haproxy@formilux.org/msg41041.html Upstream patch: https://git.haproxy.org/?p=haproxy.git;a=commit;h=89265224d314a056d77d974284802c1b8a0dc97f
Created haproxy tracking bugs for this issue: Affects: fedora-all [bug 1995109]
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.9 Via RHSA-2021:4118 https://access.redhat.com/errata/RHSA-2021:4118
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-39241
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.8 Via RHSA-2021:5208 https://access.redhat.com/errata/RHSA-2021:5208
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.6 Via RHSA-2022:0024 https://access.redhat.com/errata/RHSA-2022:0024
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.7 Via RHSA-2022:0114 https://access.redhat.com/errata/RHSA-2022:0114