CVE-2018-12397
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-12397
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-12397.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201810-14
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 63.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 63.0-1 |
| debian | bookworm | fixed | 60.3.0esr-1 |
| debian | bullseye | fixed | 60.3.0esr-1 |
| debian | forky | fixed | 60.3.0esr-1 |
| debian | trixie | fixed | 60.3.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.