Vulnerability identifier: #VU74971
Vulnerability risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-254
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla Thunderbird
Client/Desktop applications /
Messaging software
Vendor: Mozilla
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Thunderbird: 102.0 - 102.9.1
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2023-15/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.