CVE-2020-12394
First published: Tue May 05 2020(Updated: )
A logic flaw in our location bar implementation could have allowed a local attacker to spoof the current location by selecting a different origin and removing focus from the input element. This vulnerability affects Firefox < 76.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <76 | 76 |
| Mozilla Firefox | <76.0 | |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0+ | 76.0+ |
| ubuntu/firefox | <76.0 | 76.0 |
| ubuntu/firefox | <76.0+ | 76.0+ |
| debian/firefox | 130.0-2 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1628288
- https://www.mozilla.org/security/advisories/mfsa2020-16/
- https://security.gentoo.org/glsa/202005-04
- https://launchpad.net/bugs/cve/CVE-2020-12394
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/#CVE-2020-6831
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/#CVE-2020-12394
- https://security-tracker.debian.org/tracker/CVE-2020-12394
- https://ubuntu.com/security/notices/USN-4353-1
- https://www.cve.org/CVERecord?id=CVE-2020-12394
- https://nvd.nist.gov/vuln/detail/CVE-2020-12394
- https://ubuntu.com/security/CVE-2020-12394
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2020-12394?
CVE-2020-12394 is classified as a moderate severity vulnerability due to the potential for local attackers to spoof the current location.
How do I fix CVE-2020-12394?
To mitigate CVE-2020-12394, upgrade your Firefox installation to version 76.0 or later.
What versions of Firefox are affected by CVE-2020-12394?
CVE-2020-12394 affects all versions of Mozilla Firefox prior to version 76.
Who is impacted by CVE-2020-12394?
Users of Mozilla Firefox versions earlier than 76 are at risk from CVE-2020-12394.
What type of vulnerability is CVE-2020-12394?
CVE-2020-12394 is a logic flaw vulnerability in the location bar implementation of Firefox.
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