Quantum Secular Labs / Blog / Advisories
CVE-2017-0305: F5 SSL Intercept Iapp: Authentication bypass
CVE-2017-0305 is rated critical with a CVSS v3.0 base score of 9.8 and affects F5 SSL Intercept Iapp. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
F5 SSL Intercept iApp version 1.5.0 - 1.5.7 is vulnerable to an unauthenticated, remote attack that may allow modification of the BIG-IP system configuration, extraction of sensitive system files, and possible remote command execution on the system when deployed using the Explicit Proxy feature plus SNAT Auto Map option for egress traffic.
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Affected products
- F5 SSL Intercept Iapp: 1.5.0; 1.5.7