CVE-2020-11100

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 98%
VendorProductVersion
haproxyhaproxy
1.8.0 ≤
𝑥
< 2.1.4
debiandebian_linux
10.0
redhatopenshift_container_platform
3.11
redhatopenshift_container_platform
4.0
canonicalubuntu_linux
18.04
canonicalubuntu_linux
19.10
opensuseleap
15.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
haproxy
bullseye (security)
2.2.9-2+deb11u6
fixed
bullseye
2.2.9-2+deb11u6
fixed
stretch
not-affected
jessie
not-affected
bookworm
2.6.12-1+deb12u1
fixed
bookworm (security)
2.6.12-1+deb12u1
fixed
sid
2.9.11-1
fixed
trixie
2.9.11-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
haproxy
eoan
Fixed 2.0.5-1ubuntu0.4
released
bionic
Fixed 1.8.8-1ubuntu0.10
released
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00002.html
http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html
http://www.haproxy.org
https://bugzilla.redhat.com/show_bug.cgi?id=1819111
https://bugzilla.suse.com/show_bug.cgi?id=1168023
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=5dfc5d5cd0d2128d77253ead3acf03a421ab5b88
https://lists.debian.org/debian-security-announce/2020/msg00052.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/264C7UL3X7L7QE74ZJ557IOUFS3J4QQC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MNW5RZLIX7LOXRLV7WMHX22CI43XSXKW/
https://security.gentoo.org/glsa/202012-22
https://usn.ubuntu.com/4321-1/
https://www.debian.org/security/2020/dsa-4649
https://www.haproxy.org/download/2.1/src/CHANGELOG
https://www.mail-archive.com/haproxy%40formilux.org/msg36876.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00002.html
http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html
http://www.haproxy.org
https://bugzilla.redhat.com/show_bug.cgi?id=1819111
https://bugzilla.suse.com/show_bug.cgi?id=1168023
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=5dfc5d5cd0d2128d77253ead3acf03a421ab5b88
https://lists.debian.org/debian-security-announce/2020/msg00052.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/264C7UL3X7L7QE74ZJ557IOUFS3J4QQC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MNW5RZLIX7LOXRLV7WMHX22CI43XSXKW/
https://security.gentoo.org/glsa/202012-22
https://usn.ubuntu.com/4321-1/
https://www.debian.org/security/2020/dsa-4649
https://www.haproxy.org/download/2.1/src/CHANGELOG
https://www.mail-archive.com/haproxy%40formilux.org/msg36876.html