Improper access control in Mozilla Firefox - CVE-2017-7812
Published: September 28, 2017 / Updated: September 29, 2017
Vulnerability identifier: #VU8622
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-7812
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to read local files on user's system.
If web content on a page is dragged onto portions of the browser UI, such as the tab bar, links can be opened that otherwise would not be allowed to open. This can allow malicious web content to open a locally stored file through
If web content on a page is dragged onto portions of the browser UI, such as the tab bar, links can be opened that otherwise would not be allowed to open. This can allow malicious web content to open a locally stored file through
file: URLs. Affected software
Mozilla Firefox
Ubuntu
Ubuntu
How to mitigate CVE-2017-7812
Update to version 56.0.