onyx --cves cve-2020-11100
CVE-2020-11100
- score
- <0.1
- cvss
- 8.8
- epss
- 61.6%
- published
- 2020-04-02
- kev added
- —
- first seen
HAProxy 1.8 through 2.x before 2.1.4 contains a heap buffer overflow caused by crafted HTTP/2 requests in hpack_dht_insert in hpack-tbl.c, letting remote attackers write arbitrary bytes around a certain location on the heap, exploit requires sending a crafted HTTP/2 request.
Timeline
How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.
- Published
- Tracked by Onyx
- Public PoC http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html
Exploit availability
Weaknesses
References 14
- http://www.haproxy.org
- https://www.haproxy.org/download/2.1/src/CHANGELOG
- 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://security.gentoo.org/glsa/202012-22
- https://usn.ubuntu.com/4321-1/
- https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=5dfc5d5cd0d2128d77253ead3acf03a421ab5b88
- https://bugzilla.suse.com/show_bug.cgi?id=1168023
- https://lists.debian.org/debian-security-announce/2020/msg00052.html
- https://www.debian.org/security/2020/dsa-4649
- 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://www.mail-archive.com/haproxy%40formilux.org/msg36876.html