CVE-2018-7340
Summary
| CVE | CVE-2018-7340 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2019-04-17 15:29:00 UTC |
| Updated | 2020-10-02 14:44:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-347
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Cisco | Duo Network Gateway | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Duo Finds SAML Vulnerabilities Affecting Multiple Implementations | Duo Security | MISC | duo.com | Exploit, Vendor Advisory |
| Vulnerability Note VU#475445 - Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal | MISC | www.kb.cert.org | Third Party Advisory, US Government Resource |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
LEGACY: Kelby Ludwig of Duo Security
There are currently no legacy QID mappings associated with this CVE.