Vulnerabilities > CVE-2020-15654 - Infinite Loop vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
HIGH Availability impact
NONE Summary
When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://www.mozilla.org/security/advisories/mfsa2020-32/
- https://www.mozilla.org/security/advisories/mfsa2020-30/
- https://www.mozilla.org/security/advisories/mfsa2020-33/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1648333
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html
- https://usn.ubuntu.com/4443-1/