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CVE-2021-40346

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2022-0114-04
Posted Jan 20, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0114-04 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.7.41.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-39241, CVE-2021-40346
SHA-256 | ed8e6ee8e1359e5ec6d149d048c3e6cee2c5658382a303084a7c82eada049519
Red Hat Security Advisory 2022-0026-06
Posted Jan 13, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0026-06 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.6.53. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2021-39241, CVE-2021-40346, CVE-2021-45105
SHA-256 | 451c409b763f0df46d3dc6e67675c9a195202dd0c8116f0345b2af81afa16600
Red Hat Security Advisory 2022-0024-04
Posted Jan 13, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0024-04 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.6.53.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-39241, CVE-2021-40346
SHA-256 | 0d0a89588329b251b1a260c34a29e7040d40f17e2a5968354e71cfcf72b0eadb
Red Hat Security Advisory 2021-5208-05
Posted Jan 6, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-5208-05 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.8.25.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-39240, CVE-2021-39241, CVE-2021-39242, CVE-2021-40346
SHA-256 | 88f67dac63d92fc84c82531e94bde8ecf9b24f7e33e48e6b0fd021305470e358
Red Hat Security Advisory 2021-4118-01
Posted Nov 11, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4118-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.9.6.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-39240, CVE-2021-39241, CVE-2021-39242, CVE-2021-40346
SHA-256 | 22d2757cf582854617e6cf5504492e3d3366ea36d83f0412abb88cdff0fa3b45
Debian Security Advisory 4968-1
Posted Sep 28, 2021
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4968-1 - Ori Hollander reported that missing header name length checks in the htx_add_header() and htx_add_trailer() functions in HAProxy, a fast and reliable load balancing reverse proxy, could result in request smuggling attacks or response splitting attacks.

tags | advisory
systems | linux, debian
advisories | CVE-2021-40346
SHA-256 | 722e6b1f007edff3fc58e6248446392cfef076d7541acd8ed38ea7e8add1a122
Ubuntu Security Notice USN-5063-1
Posted Sep 8, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5063-1 - Ori Hollander discovered that HAProxy incorrectly handled HTTP header name length encoding. A remote attacker could possibly use this issue to inject a duplicate content-length header and perform request smuggling attacks.

tags | advisory, remote, web
systems | linux, ubuntu
advisories | CVE-2021-40346
SHA-256 | f4e2e56ce46b97faa45cc84bab033f1a97ee95fad217db2dccffed7fe8c6e543
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