Auth bypass in Denyall I-Suite
CVE-2017-14706
DenyAll WAF before 6.4.1 allows unauthenticated remote attackers to obtain authentication information by making a typeOf=debug request to /webservices/download/index.php, and then reading the iToken field in the reply. This affects DenyAll i-Suite LTS 5.5.0 through 5.5.12, i-Suite 5.6, Web Application Firewall 5.7, and Web Application Firewall 6.x before 6.4.1, with On Premises or AWS/Azure cloud deployments.
Vulnerability class: Broken Authentication
EPSS: 0.282 (97.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Denyall I-suite — versions 5.5.0, 5.5.9, 5.5.10
- Denyall Web_application_firewall — versions 5.7.0, 6.0.0, 6.1.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-14706?
- CVE-2017-14706 is a critical-severity vulnerability in Denyall I-Suite, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-09-22.
- How severe is CVE-2017-14706?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-14706 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.