CVE-2019-14243

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2019-14243
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-07-23T22:15:11
  • Last Modified Date
  • 2019-12-16T17:45:36
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:haproxy:proxyprotocol:*:*:*:*:*:caddy:*:* 1 OR 0.0.2
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-14243
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14243
History
Created Old Value New Value Data Type Notes
2022-05-10 16:57:40 Added to TrackCVE
2022-12-03 23:41:24 2019-07-23T22:15Z 2019-07-23T22:15:11 CVE Published Date updated
2022-12-03 23:41:24 2019-12-16T17:45:36 CVE Modified Date updated
2022-12-03 23:41:24 Analyzed Vulnerability Status updated