CVE-2018-7340

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
Duo Network Gateway 1.2.9 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-2018-7340
  • Assigner
  • security@duo.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-04-17T15:29:00
  • Last Modified Date
  • 2020-10-02T14:44:32
Weakness Enumerations
CWE URL
CWE-347 http://cwe.mitre.org/data/definitions/347.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:cisco:duo_network_gateway:*:*:*:*:*:*:*:* 1 OR 1.2.9
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • 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:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.kb.cert.org/vuls/id/475445 Third Party Advisory US Government Resource
https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations Exploit Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7340
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7340
History
Created Old Value New Value Data Type Notes
2022-05-10 17:10:56 Added to TrackCVE
2022-12-03 19:39:21 2019-04-17T15:29Z 2019-04-17T15:29:00 CVE Published Date updated
2022-12-03 19:39:21 2020-10-02T14:44:32 CVE Modified Date updated
2022-12-03 19:39:21 Analyzed Vulnerability Status updated