CVE-2017-11427

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.
Overview
  • CVE ID
  • CVE-2017-11427
  • Assigner
  • security@duo.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-04-17T14:29:00
  • Last Modified Date
  • 2019-10-09T23:22:05
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:onelogin:pythonsaml:*:*:*:*:*:*:*:* 1 OR 2.3.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.kb.cert.org/vuls/id/475445 US Government Resource Third Party Advisory
https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations Exploit Technical Description Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-11427
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11427
History
Created Old Value New Value Data Type Notes
2022-05-10 17:12:36 Added to TrackCVE
2022-12-03 19:37:40 2019-04-17T14:29Z 2019-04-17T14:29:00 CVE Published Date updated
2022-12-03 19:37:40 2019-10-09T23:22:05 CVE Modified Date updated
2022-12-03 19:37:40 Modified Vulnerability Status updated