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CVE-2020-11100

Status Candidate

Overview

In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution.

Related Files

Gentoo Linux Security Advisory 202012-22
Posted Dec 24, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202012-22 - A buffer overflow in HAProxy might allow an attacker to execute arbitrary code. Versions less than 2.1.4 are affected.

tags | advisory, overflow, arbitrary
systems | linux, gentoo
advisories | CVE-2020-11100
MD5 | cc63f4b1c5abcfdc237602d305cf4cd2
Red Hat Security Advisory 2020-1936-01
Posted May 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1936-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include HTTP request smuggling and out of bounds write vulnerabilities.

tags | advisory, web, vulnerability
systems | linux, redhat
advisories | CVE-2019-18277, CVE-2019-19330, CVE-2020-11100
MD5 | 9e30b6923cb82d43b85e263fab78ee48
haproxy hpack-tbl.c Out-Of-Bounds Write
Posted Apr 21, 2020
Authored by Google Security Research, Felix Wilhelm

The haproxy hpack implementation in hpack-tbl.c handles 0-length HTTP headers incorrectly. This can lead to a fully controlled relative out-of-bounds write when processing a malicious HTTP2 request (or response).

tags | exploit, web
advisories | CVE-2020-11100
MD5 | ec4200ed138e11159b83e1a1d18ff6d3
Red Hat Security Advisory 2020-1287-01
Posted Apr 8, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1287-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include an out of bounds write vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2019-18277, CVE-2019-19330, CVE-2020-11100
MD5 | 84f1a149c79ac9e625c773dd6f25df3d
Ubuntu Security Notice USN-4321-1
Posted Apr 7, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4321-1 - Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests. An attacker could possibly use this to execute arbitrary code.

tags | advisory, web, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-11100
MD5 | 3fe2cc5c40f0d9b3b7e51ebe8248fac9
Red Hat Security Advisory 2020-1288-01
Posted Apr 2, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1288-01 - The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Issues addressed include an out of bounds write vulnerability.

tags | advisory, web, tcp
systems | linux, redhat
advisories | CVE-2020-11100
MD5 | c01a72c249d4407a10f9abc4ef94eaad
Red Hat Security Advisory 2020-1290-01
Posted Apr 2, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1290-01 - HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments. Issues addressed include an out of bounds write vulnerability.

tags | advisory, web, tcp
systems | linux, redhat
advisories | CVE-2020-11100
MD5 | 9b71948ccc9d2438d0358d337bd26205
Red Hat Security Advisory 2020-1289-01
Posted Apr 2, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1289-01 - The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Issues addressed include an out of bounds write vulnerability.

tags | advisory, web, tcp
systems | linux, redhat
advisories | CVE-2020-11100
MD5 | 6af1cef485ffd6aca39a701c8728a87d
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