CVE-2020-11100
Published: 2 April 2020
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
haproxy Launchpad, Ubuntu, Debian |
bionic |
Released
(1.8.8-1ubuntu0.10)
|
| eoan |
Released
(2.0.5-1ubuntu0.4)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(2.0.14)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://github.com/haproxy/haproxy/commit/5dfc5d5cd0d2128d77253ead3acf03a421ab5b88 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |