CVE-2023-6211
First published: Tue Nov 21 2023(Updated: )
If an attacker needed a user to load an insecure http: page and knew that user had enabled HTTPS-only mode, the attacker could have tricked the user into clicking to grant an HTTPS-only exception if they could get the user to participate in a clicking game. This vulnerability affects Firefox < 120.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/firefox | <120.0+ | 120.0+ |
| Mozilla Firefox | <120 | 120 |
| Mozilla Firefox | <120.0 | |
| debian/firefox | 123.0-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1850200
- https://www.mozilla.org/security/advisories/mfsa2023-49/
- https://security.gentoo.org/glsa/202401-10
- https://launchpad.net/bugs/cve/CVE-2023-6211
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-49/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-49/#CVE-2023-6211
- https://security-tracker.debian.org/tracker/CVE-2023-6211
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6211
- https://ubuntu.com/security/notices/USN-6509-1
- https://nvd.nist.gov/vuln/detail/CVE-2023-6211
- https://ubuntu.com/security/CVE-2023-6211
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for this issue?
CVE-2023-6211
Which version of Firefox is affected by this vulnerability?
Firefox < 120
How can an attacker exploit this vulnerability?
By tricking the user into clicking to grant an HTTPS-only exception during a clicking game
What is the severity level of this vulnerability?
Low
Where can I find more information about this vulnerability?
You can find more information about this vulnerability on the Mozilla website and bugzilla.mozilla.org.
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