CVE-2019-11323
Publication date 9 May 2019
Last updated 25 August 2025
Ubuntu priority
Description
HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| haproxy | ||
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty | Not in release |
Notes
leosilva
this was introduced by https://git.haproxy.org/?p=haproxy.git;a=commit;h=9e7547740cc2d0a6851de8ca9ac57488bdbb8bf2
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.9 · Medium
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |