Quantum Secular Labs / Blog / Advisories
CVE-2017-5468: Mozilla Firefox: Information disclosure
CVE-2017-5468 is rated critical with a CVSS v3.0 base score of 9.1 and affects Mozilla Firefox. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.
Vulnerability description
An issue with incorrect ownership model of "privateBrowsing" information exposed through developer tools. This can result in a non-exploitable crash when manually triggered during debugging. This vulnerability affects Firefox < 53.
Severity breakdown
CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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: None. No loss of integrity.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-665: Improper Initialization
The product does not initialize or incorrectly initializes a resource.
Affected products
- Mozilla Firefox: before 53.0