Improper certificate validation in wolfSSL



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-295
Exploitation vector Network
Public exploit N/A
Vulnerable software
 wolfSSL
Universal components / Libraries / Libraries used by multiple products

Vendor wolfSSL

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper certificate validation

EUVDB-ID: #VU102311

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error in OCSP stapling support when performing OCSP requests for intermediate certificates in a certificate chain using TLS 1.3 on the server side. A remote attacker can bypass implemented security restrictions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

wolfSSL: 5.0.0 - 5.7.4

CPE2.3 External links

https://github.com/wolfSSL/wolfssl/releases/tag/v5.7.6-stable


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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