#VU66921 Security features bypass in Mozilla Thunderbird - CVE-2022-3034
Published: September 1, 2022 / Updated: October 20, 2022
Vulnerability identifier: #VU66921
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-3034
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Thunderbird
Mozilla Thunderbird
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to iframe elements in an HTML email force the application to initiate network requests. A remote attacker can use an iframe to confirm that the email was read by the victim and obtain victim's IP address.
Remediation
Install updates from vendor's website.