CVEvulnerability
CVE-2019-14243
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-07-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-20
Description
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.
Affected configurations
• haproxy proxyprotocol (< 0.0.2)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014 Third Party Advisory
- https://github.com/mastercactapus/caddy-proxyprotocol/issues/8 Issue Tracking, Third Party Advisory
- https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac Patch, Third Party Advisory
- https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101 Third Party Advisory
- https://github.com/mastercactapus/proxyprotocol/issues/1 Exploit, Third Party Advisory
- https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2 Release Notes, Third Party Advisory
- https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014 Third Party Advisory
- https://github.com/mastercactapus/caddy-proxyprotocol/issues/8 Issue Tracking, Third Party Advisory
- https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac Patch, Third Party Advisory
- https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101 Third Party Advisory
- https://github.com/mastercactapus/proxyprotocol/issues/1 Exploit, Third Party Advisory
- https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2 Release Notes, Third Party Advisory