VulnerabilityModified

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…

HIGH 7.5EPSS 4.29%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 4.29% probability · 91th percentile
CISA KEV: Not listed
Weakness: CWE-20
Affected: haproxy/proxyprotocol
Source: cve@mitre.org

References

https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014Third Party Advisory
https://github.com/mastercactapus/caddy-proxyprotocol/issues/8Issue Tracking, Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90acPatch, Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/issues/1Exploit, Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2Release Notes, Third Party Advisory
https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014Third Party Advisory
https://github.com/mastercactapus/caddy-proxyprotocol/issues/8Issue Tracking, Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90acPatch, Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/issues/1Exploit, Third Party Advisory
https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2Release Notes, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.