CVE-2018-7340

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.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v3.0

7.7 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

0.93% chance of exploitation in the next 30 days, 58th percentile

Published

2019-04-17

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations

References

• CVE Record
• NVD entry

Related

• CVE-2018-7319
• CVE-2018-7355
• CVE-2018-7318
• CVE-2018-7357
• CVE-2018-7317
• CVE-2018-7358