What is CVE-2019-11323?

CVE-2019-11323 is a vulnerability in HAProxy versions before 1.9.7 that mishandles a reload with rotated keys, leading to the use of uninitialized and predictable HMAC keys.

What is the severity of CVE-2019-11323?

The severity of CVE-2019-11323 is medium, with a severity value of 5.9.

How does CVE-2019-11323 affect HAProxy?

CVE-2019-11323 affects HAProxy versions before 1.9.7, specifically when performing a reload with rotated keys.

How can I fix CVE-2019-11323 in HAProxy?

To fix CVE-2019-11323 in HAProxy, you should update to version 1.9.7 or later.

Vulnerability/
CVE-2019-11323

medium

5.9

CWE

327 908

9/5/2019

4/8/2024

CVE-2019-11323

Q: Are there any references to learn more about CVE-2019-11323?

Yes, you can refer to the following links for more information: [1] http://git.haproxy.org/?p=haproxy.git;a=commit;h=8ef706502aa2000531d36e4ac56dbdc7c30f718d [2] https://www.mail-archive.com/haproxy@formilux.org/msg33410.html

First published: Thu May 09 2019(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Haproxy Haproxy	>=1.9.2<1.9.7

Remedy

http://git.haproxy.org/?p=haproxy.git;a=commit;h=8ef706502aa2000531d36e4ac56dbdc7c30f718d

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2019-11323?
CVE-2019-11323 is a vulnerability in HAProxy versions before 1.9.7 that mishandles a reload with rotated keys, leading to the use of uninitialized and predictable HMAC keys.
What is the severity of CVE-2019-11323?
The severity of CVE-2019-11323 is medium, with a severity value of 5.9.
How does CVE-2019-11323 affect HAProxy?
CVE-2019-11323 affects HAProxy versions before 1.9.7, specifically when performing a reload with rotated keys.
How can I fix CVE-2019-11323 in HAProxy?
To fix CVE-2019-11323 in HAProxy, you should update to version 1.9.7 or later.
Are there any references to learn more about CVE-2019-11323?
Yes, you can refer to the following links for more information: [1] http://git.haproxy.org/?p=haproxy.git;a=commit;h=8ef706502aa2000531d36e4ac56dbdc7c30f718d [2] https://www.mail-archive.com/haproxy@formilux.org/msg33410.html

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agent/softwarecombine
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source/MITRE
vendor/haproxy
canonical/haproxy haproxy
version/haproxy haproxy/1.9.2

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