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CVE-2019-11323

Good to know:

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Date: May 9, 2019

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.

Language: C

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2019-11323
http://git.haproxy.org/?p=haproxy.git;a=commit;h=8ef706502aa2000531d36e4ac56dbdc7c30f718d
https://www.mail-archive.com/haproxy%40formilux.org/msg33410.html
http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=8ef706502aa2000531d36e4ac56dbdc7c30f718d
https://www.mail-archive.com/haproxy@formilux.org/msg33410.html
https://www.mend.io/vulnerability-database/CVE-2019-11323

Severity Score

Weakness Type (CWE)

Cryptographic Issues

CWE-310

Use of a Broken or Risky Cryptographic Algorithm

CWE-327

Use of Uninitialized Resource

CWE-908

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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