CVE-2019-11323
MEDIUMHAProxy 1.9.2-1.9.6 - Use of Uninitialized HMAC Keys During Reload with Rotated Keys
Title source: llmDescription
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.
References (2)
Core 2
Core References
Various Sources x_refsource_misc
http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=8ef706502aa2000531d36e4ac56dbdc7c30f718d
Mailing List x_refsource_confirm
https://www.mail-archive.com/haproxy%40formilux.org/msg33410.html
Scores
CVSS v3
5.9
EPSS
0.0125
EPSS Percentile
65.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-327
CWE-908
Status
published
Products (1)
haproxy/haproxy
1.9.2 - 1.9.7
Published
May 09, 2019
Tracked Since
Feb 18, 2026