Vulnerability identifier: #VU54674

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-24116

CWE-ID: CWE-208

Exploitation vector: Local

Exploit availability: No

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

Vendor: wolfSSL

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to observable timing discrepancy in base64 PEM decoding.A local user can gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

wolfSSL: 2.0.3 - 4.5.0

---

External links
http://github.com/wolfSSL/wolfssl/releases/tag/v4.8.0-stable

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.