CVE-2017-5456
Critical
Description
A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018
How to fix
Update
- mozilla firefox53.0, 52.1.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 53.0, v < 52.1.0 | 53.0, 52.1.0 |
| redhat enterprise_linux | 7.0 | — |
| redhat enterprise_linux_desktop | 7.0 | — |
| redhat enterprise_linux_server | 7.0 | — |
| redhat enterprise_linux_server_aus | 7.3, 7.4 | — |
| redhat enterprise_linux_server_eus | 7.3, 7.4, 7.5 | — |
| redhat enterprise_linux_workstation | 7.0 | — |
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