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CVE-2019-14243

Good to know:

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Date: July 23, 2019

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.

Language: Go

Severity Score

Related Resources (10)

https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101
https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2
https://github.com/mastercactapus/proxyprotocol/issues/1
https://github.com/mastercactapus/proxyprotocol
https://nvd.nist.gov/vuln/detail/CVE-2019-14243
https://github.com/advisories/GHSA-85c5-ccm8-vr96
https://github.com/mastercactapus/caddy-proxyprotocol/issues/8
https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac
https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014
https://www.mend.io/vulnerability-database/CVE-2019-14243

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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CVSS v3.1

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

CVSS v2

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

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