CVE-2018-5163
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
If a malicious attacker has used another vulnerability to gain full control over a content process, they may be able to replace the alternate data resources stored in the JavaScript Start-up Bytecode Cache (JSBC) for other JavaScript code. If the parent process then runs this replaced code, the executed script would be run with the parent process' privileges, escaping the sandbox on content processes. This vulnerability affects Firefox < 60.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-5163
Vendor advisory: arch — https://security.archlinux.org/ASA-201805-10
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 60.0-1 | |
| debian | sid | fixed | 60.0-1 |
References
Verify integrity in audit chain (admin only). AS-IS.