haproxy: malformed HTTP/2 requests can lead to out-of-bounds writes

A flaw was found in the way HAProxy processed certain HTTP/2 request packets. This flaw allows an attacker to send crafted HTTP/2 request packets, which cause memory corruption, leading to a crash or potential remote arbitrary code execution with the permissions of the user running HAProxy...

USN-4321-1: HAProxy vulnerability

Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests. An attacker could possibly use this to execute arbitrary code...

USN-4321-1 haproxy vulnerability

Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests. An attacker could possibly use this to execute arbitrary code...

CVE-2020-1760

A flaw was found in the Ceph Object Gateway, where it supports request sent by an anonymous user in Amazon S3. This flaw could lead to potential XSS attacks due to the lack of proper neutralization of untrusted input. Mitigation Mitigation provided by DigitalOcean: Mitigation relies on the HAProx...

openSUSE Security Update : haproxy (openSUSE-2020-444)

This update for haproxy fixes the following issues : - CVE-2020-11100: Fixed an H2/HPAC vulnerability ch might have allowed arbitrary writes into a 32-bit relative address space bsc1168023. This update was imported from the SUSE:SLE-15-SP1:Update update project. C Tenable Network Security, Inc. T...

Oracle Linux 8 : haproxy (ELSA-2020-1288)

The remote Oracle Linux 8 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2020-1288 advisory. - - Fix hapack zero byte input causing overwrite CVE-2020-11100, 1819518 Tenable has extracted the preceding description block directly from the Oracle Linux...

openSUSE: Security Advisory for haproxy (openSUSE-SU-2020:0444-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

OPENSUSE-SU-2020:0444-1 Security update for haproxy

This update for haproxy fixes the following issues: - CVE-2020-11100: Fixed an H2/HPAC vulnerability ch might have allowed arbitrary writes into a 32-bit relative address space bsc1168023. This update was imported from the SUSE:SLE-15-SP1:Update update project...

Security update for haproxy (important)

openSUSE Security Update: Security update for haproxy Announcement ID: openSUSE-SU-2020:0444-1 Rating: important References: 1168023 Cross-References: CVE-2020-11100 Affected Products: openSUSE Leap 15.1 An update that fixes one vulnerability is now available. Description: This update for haproxy...

Denial Of Service (DoS)

haproxy is vulnerable to denial of service DoS. The vulnerability exists through malformed HTTP/2 requests that can lead to out-of-bounds writes...

HAProxy Buffer Overflow Vulnerability

HAProxy is an open source TCP/HTTP load balancing server from the French company HAProxy. The server provides 4-layer and 7-layer proxy , and can support tens of thousands of level of connections , with high efficiency , stability and other characteristics . A security vulnerability exists in the...

FreeBSD : HAproxy -- serious vulnerability affecting the HPACK decoder used for HTTP/2 (7f829d44-7509-11ea-b47c-589cfc0f81b0)

The HAproxy Project reports : The main driver for this release is that it contains a fix for a serious vulnerability that was responsibly reported last week by Felix Wilhelm from Google Project Zero, affecting the HPACK decoder used for HTTP/2. CVE-2020-11100 was assigned to this issue. C Tenable...

CVE-2020-11100

In hpackdhtinsert 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...

CVE-2020-11100

In hpackdhtinsert 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...

DEBIAN-CVE-2020-11100

In hpackdhtinsert 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...

ALPINE-CVE-2020-11100

In hpackdhtinsert 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...

Remote code execution

In hpackdhtinsert 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...

CVE-2020-11100

In hpackdhtinsert 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...

CVE-2020-11100

HAProxy CVE-2020-11100 involves an out-of-bounds write in the HPACK decoder ({Hpack_dht_insert} in {hpack-tbl.c}) that could allow a remote attacker to execute code via a crafted HTTP/2 request. Amazon Linux 2 advisory ALAS2HAPROXY2-2023-006 confirms the fix in haproxy2 2.1.4-1 (haproxy2 package)...

CVE-2020-11100

In hpackdhtinsert 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...