CVE-2020-12388: Input Validation
First published: Tue May 05 2020(Updated: )
The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape.Note: this issue only affects Firefox on Windows operating systems.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox | <76 | 76 |
| Firefox ESR | <68.8 | 68.8 |
| Firefox | <76.0 | |
| Firefox ESR | <68.8.0 | |
| Microsoft Windows Operating System |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1618911
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12387
- http://packetstormsecurity.com/files/157860/Firefox-Default-Content-Process-DACL-Sandbox-Escape.html
- https://www.mozilla.org/security/advisories/mfsa2020-16/
- https://www.mozilla.org/security/advisories/mfsa2020-17/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2020-12388?
CVE-2020-12388 is rated as a high severity vulnerability due to its potential for sandbox escape.
How do I fix CVE-2020-12388?
To fix CVE-2020-12388, update your Firefox or Firefox ESR to versions 76 or 68.8 respectively.
Who is affected by CVE-2020-12388?
CVE-2020-12388 affects users of Firefox and Firefox ESR running on Windows operating systems.
What type of vulnerability is CVE-2020-12388?
CVE-2020-12388 is a sandbox escape vulnerability that allows for insufficient access control.
When was CVE-2020-12388 disclosed?
CVE-2020-12388 was disclosed by Mozilla as part of their security advisory in 2020.
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