CVE-2018-7340
Last modified
CVE-2018-7340 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.96% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Duo Network Gateway | <= 1.2.9 |
References
- https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementationsExploit, Vendor Advisory
- https://www.kb.cert.org/vuls/id/475445Third Party Advisory, US Government Resource
- https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementationsExploit, Vendor Advisory
- https://www.kb.cert.org/vuls/id/475445Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-7340?
How severe is CVE-2018-7340?
How do I fix CVE-2018-7340?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2018
- CVE-2018-7333In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissec…
- CVE-2018-7334In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the UMTS MA…
- CVE-2018-7335In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the IEEE 80…
- CVE-2018-7336In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the FCP pro…
- CVE-2018-7337In Wireshark 2.4.0 to 2.4.4, the DOCSIS protocol dissector c…
- CVE-2018-7339The MP4Atom class in mp4atom.cpp in MP4v2 through 2.0.0 mish…
- CVE-2018-7355All versions up to V1.0.0B05 of ZTE MF65 and all versions up…
- CVE-2018-7356All versions up to V3.03.10.B23P2 of ZTE ZXR10 8905E product…5.6
- CVE-2018-7357ZTE ZXHN H168N product with versions V2.2.0_PK1.2T5, V2.2.0_…6.5
- CVE-2018-7358ZTE ZXHN H168N product with versions V2.2.0_PK1.2T5, V2.2.0_…6.5
- CVE-2018-7359All versions up to V1.1.10P3T18 of ZTE ZXHN F670 product are…9
- CVE-2018-7360All versions up to V1.1.10P3T18 of ZTE ZXHN F670 product are…9.6
Are you affected by CVE-2018-7340?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
