Medium severity · published May 9, 2019
CVE-2019-11323
HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys
5.9
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HA
Haproxy · Haproxy
1.9.2 before 1.9.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11323
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11323
git.haproxy.org
http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=8ef706502aa2000531d36e4ac56dbdc7c30f718d
www.mail-archive.com
https://www.mail-archive.com/haproxy%40formilux.org/msg33410.html
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