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.
Related CPE's
a
redhat
openshift_container_platform
o
fedoraproject
fedora
o
canonical
ubuntu_linux
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
https://bugzilla.redhat.com/show_bug.cgi?id=1819111
https://bugzilla.suse.com/show_bug.cgi?id=1168023
https://lists.debian.org/debian-security-announce/2020/msg00052.html
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
CVSS impact metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 · High
CVSS V3.1
CVSS V3.0
CVSS V2.0
Information
Source identifier
Vulnerability status
Modified
Published
2020-04-02T15:15:17.483
5 years agoLast modified
2023-11-07T03:14:30.167
1 year ago