Use of a Broken or Risky Cryptographic Algorithm The advisory has been revoked - it doesn't affect any version of package haproxy (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-HAPROXY-612880
- published10 Sept 2020
- disclosed9 May 2019
Introduced: 9 May 2019
CVE-2019-11323 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:18.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream haproxy package and not the haproxy package as distributed by Ubuntu.
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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-11323
- https://www.mail-archive.com/haproxy@formilux.org/msg33410.html
- http://git.haproxy.org/?p=haproxy.git;a=commit;h=8ef706502aa2000531d36e4ac56dbdc7c30f718d
- http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=8ef706502aa2000531d36e4ac56dbdc7c30f718d
- https://www.mail-archive.com/haproxy%40formilux.org/msg33410.html