Quantum Secular Labs / Blog / Advisories
CVE-2018-4110: It allows remote attackers to bypass intended restrictions on cookie persistence.
CVE-2018-4110 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists Apple Iphone OS as the affected product. 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
An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Web App" component. It allows remote attackers to bypass intended restrictions on cookie persistence.
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
- Apple Iphone OS: before 11.3