CVE-2020-11100

HIGH

HAProxy 1.8-2.x - Out-of-Bounds Write in HPACK Decoder via Crafted HTTP/2 Request

Title source: llm
STIX 2.1

Description

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.

References (14)

Core 14
Core References
Vendor Advisory x_refsource_misc
http://www.haproxy.org
Release Notes, Vendor Advisory x_refsource_confirm
https://www.haproxy.org/download/2.1/src/CHANGELOG
Mailing List, Third Party Advisory x_refsource_confirm
https://lists.debian.org/debian-security-announce/2020/msg00052.html
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1819111
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.suse.com/show_bug.cgi?id=1168023
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00002.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4649
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4321-1/
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202012-22

Scores

CVSS v3 8.8
EPSS 0.7514
EPSS Percentile 98.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (9)
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 19.10
debian/debian_linux 10.0
fedoraproject/fedora 30
fedoraproject/fedora 31
haproxy/haproxy 1.8.0 - 2.1.4
opensuse/leap 15.1
redhat/openshift_container_platform 3.11
redhat/openshift_container_platform 4.0
Published Apr 02, 2020
Tracked Since Feb 18, 2026