CVE-2023-0836

An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a
https://www.debian.org/security/2023/dsa-5388

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:haproxy:haproxy::::::::
	cpe:2.3:a:haproxy:haproxy::::::::
	cpe:2.3:a:haproxy:haproxy::::::::
	cpe:2.3:a:haproxy:haproxy::::::::
	cpe:2.3:a:haproxy:haproxy:2.1.0:::::::*
	cpe:2.3:a:haproxy:haproxy:2.3.0:::::::*
	cpe:2.3:a:haproxy:haproxy:2.7.0:::::::*

History

14 Apr 2023, 04:15

Type	Values Removed	Values Added
CWE		CWE-459
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
CPE		cpe:2.3:a:haproxy:haproxy:2.3.0:::::::* cpe:2.3:a:haproxy:haproxy:2.1.0:::::::* cpe:2.3:a:haproxy:haproxy:::::::: cpe:2.3:a:haproxy:haproxy:2.7.0:::::::*
References		(DEBIAN) https://www.debian.org/security/2023/dsa-5388 -
References	~~(MISC) https://git.haproxy.org/?p=haproxy.git;a=commitdiff;h=2e6bf0a -~~	(MISC) https://git.haproxy.org/?p=haproxy.git;a=commitdiff;h=2e6bf0a - Mailing List, Patch

29 Mar 2023, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-03-29 21:15

Updated : 2024-02-04 23:37

NVD link : CVE-2023-0836

Mitre link : CVE-2023-0836

CVE.ORG link : CVE-2023-0836

JSON object : View

Products Affected

haproxy

haproxy

CWE

CWE-459

Incomplete Cleanup

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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