CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

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

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
Configurations

Configuration 1

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

Published : 2019-07-23 10:15

Updated : 2019-12-16 05:45

NVD link : CVE-2019-14243

Mitre link : CVE-2019-14243

Products Affected
No products.
CWE
CWE-20