CVE-2020-6823

Published: 7 April 2020

A malicious extension could have called <code>browser.identity.launchWebAuthFlow</code>, controlling the redirect_uri, and through the Promise returned, obtain the Auth code and gain access to the user's account at the service provider. This vulnerability affects Firefox < 75.

Priority

Medium

CVSS 3 base score: 9.8

Status

Notes

mozjs contains a copy of the SpiderMonkey JavaScript engine

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6823
• https://www.mozilla.org/en-US/security/advisories/mfsa2020-12/#CVE-2020-6823
• https://ubuntu.com/security/notices/USN-4323-1
• NVD
• Launchpad
• Debian