A request smuggling attack can be performed on HTTP/1 connections on Varnish Cache servers. The smuggled request would be treated as an additional request by the Varnish server, go through normal VCL processing, and injected as a spurious response on the client connection. References: https://varnish-cache.org/security/VSV00008.html#vsv00008
Created varnish tracking bugs for this issue: Affects: epel-7 [bug 2045034] Affects: fedora-all [bug 2045033] Created varnish:6.0/varnish tracking bugs for this issue: Affects: fedora-all [bug 2045032]
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2022:0418 https://access.redhat.com/errata/RHSA-2022:0418
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions Via RHSA-2022:0420 https://access.redhat.com/errata/RHSA-2022:0420
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Extended Update Support Via RHSA-2022:0421 https://access.redhat.com/errata/RHSA-2022:0421
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Extended Update Support Via RHSA-2022:0422 https://access.redhat.com/errata/RHSA-2022:0422
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-2022-23959
This issue has been addressed in the following products: Red Hat Software Collections for Red Hat Enterprise Linux 7 Via RHSA-2022:4745 https://access.redhat.com/errata/RHSA-2022:4745