CVE-2020-11100
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-11100
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-11100.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202004-7
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 2.1.4-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 2.0.13-2 |
| debian | bullseye | fixed | 2.0.13-2 |
| debian | forky | fixed | 2.0.13-2 |
| debian | sid | fixed | 2.0.13-2 |
| debian | trixie | fixed | 2.0.13-2 |
References
Verify integrity in audit chain (admin only). AS-IS.