CVE-2019-11323

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9

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.

Overview

CVE ID
CVE-2019-11323

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2019-05-09T14:29:00

Last Modified Date
2021-07-21T11:39:23

Weakness Enumerations

CWE	URL
CWE-327	http://cwe.mitre.org/data/definitions/327.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:haproxy:haproxy::::::::	1	OR	1.9.2	1.9.7

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
5.9

Base Severity
MEDIUM

Exploitability Score
2.2

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.mail-archive.com/haproxy@formilux.org/msg33410.html	Mailing List Third Party Advisory
http://git.haproxy.org/?p=haproxy.git;a=commit;h=8ef706502aa2000531d36e4ac56dbdc7c30f718d	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-11323
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11323

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:09:14				Added to TrackCVE
2022-12-03 20:30:01	2019-05-09T14:29Z	2019-05-09T14:29:00	CVE Published Date	updated
2022-12-03 20:30:01		2021-07-21T11:39:23	CVE Modified Date	updated
2022-12-03 20:30:01		Analyzed	Vulnerability Status	updated