Vulnerability Monitor

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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.

Published

2019-07-23T22:15:11.643

Last Modified

2024-11-21T04:26:16.877

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	haproxy	proxyprotocol	< 0.0.2	Yes

References

https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014 Third Party Advisory ([email protected])
https://github.com/mastercactapus/caddy-proxyprotocol/issues/8 Issue Tracking, Third Party Advisory ([email protected])
https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac Patch, Third Party Advisory ([email protected])
https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101 Third Party Advisory ([email protected])
https://github.com/mastercactapus/proxyprotocol/issues/1 Exploit, Third Party Advisory ([email protected])
https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2 Release Notes, Third Party Advisory ([email protected])
https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/mastercactapus/caddy-proxyprotocol/issues/8 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/mastercactapus/proxyprotocol/issues/1 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)