#VU84839 Use of a broken or risky cryptographic algorithm in wolfSSL - CVE-2023-6935

Vulnerability identifier: #VU84839

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-6935

CWE-ID: CWE-327

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
wolfSSL
Universal components / Libraries / Libraries used by multiple products

Vendor: wolfSSL

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incomplete fix for #VU84838. A remote attacker can gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

wolfSSL: 5.0.0 - 5.6.4

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External links
https://github.com/wolfSSL/wolfssl/releases/tag/v5.6.6-stable
https://github.com/wolfSSL/wolfssl/pull/6955

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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.