What is CVE-2019-11323?

CVE-2019-11323 is a medium-severity vulnerability in Haproxy, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.9/10. Published 2019-05-09.

How severe is CVE-2019-11323?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Haproxy

CVE-2019-11323

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.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.013 (66.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Haproxy
N/a — versions n/a

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm
CWE-908 — Use of Uninitialized Resource

References

cve@mitre.org (x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2019-11323?: CVE-2019-11323 is a medium-severity vulnerability in Haproxy, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.9/10. Published 2019-05-09.
How severe is CVE-2019-11323?: Medium severity. CVSS v3 base score is 5.9 out of 10.