Use of a Risky Cryptographic Algorithm Affecting haproxy package, versions [1.9.2,1.9.7)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.18% (56th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use of a Risky Cryptographic Algorithm vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-HAPROXY-2317788
  • published14 Dec 2021
  • disclosed9 May 2019
  • creditUnknown

Introduced: 9 May 2019

CVE-2019-11323  (opens in a new tab)
CWE-327  (opens in a new tab)
CWE-908  (opens in a new tab)

How to fix?

Upgrade haproxy to version 1.9.7 or higher.

Overview

Affected versions of this package are vulnerable to Use of a Risky Cryptographic Algorithm. 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

CVSS Scores

version 3.1