CentOS 7 update for thunderbird



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-0430
CWE-ID CWE-347
Exploitation vector Network
Public exploit N/A
Vulnerable software
 CentOS
Operating systems & Components / Operating system

Vendor CentOS Project

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU71716

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-0430

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to application does not check certificate OCSP revocation status when verifying S/Mime signatures. A remote attacker can sign their emails with a revoked certificate and they will be displayed as having a valid signature.

Mitigation

Update the affected packages.

Vulnerable software versions

CentOS: 7

CPE2.3 External links

https://lists.centos.org/pipermail/centos-announce/2023-February/086374.html


Q & A

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.



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