Security features bypass in Mozilla Thunderbird - CVE-2023-0547
Published: April 11, 2023
Vulnerability identifier: #VU74971
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-0547
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Thunderbird
Mozilla Thunderbird
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to an error when processing revocation status of S/mime recipient certificates. OCSP revocation status of recipient certificates is not checked when sending S/Mime encrypted email, as a result revoked certificates are accepted.
How to mitigate CVE-2023-0547
Install updates from vendor's website.