CVE-2019-14243

headerv2.go in mastercactapus proxyprotocol before 0.0.2, as used in the mastercactapus caddy-proxyprotocol plugin through 0.0.2 for Caddy, allows remote attackers to cause a denial of service (webserver panic and daemon crash) via a crafted HAProxy PROXY v2 request with truncated source/destination address data.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/mastercactapus/caddy-proxyprotocol/issues/8	Issue Tracking Third Party Advisory
https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014	Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2	Release Notes Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/issues/1	Exploit Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101	Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:haproxy:proxyprotocol:*:*:*:*:*:caddy:*:*

Information

Published : 2019-07-23 15:15

Updated : 2019-12-16 09:45

NVD link : CVE-2019-14243

Mitre link : CVE-2019-14243

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

haproxy

proxyprotocol

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