MitM attack in wolfSSL
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-24613 |
| CWE-ID | CWE-310 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
wolfSSL Universal components / Libraries / Libraries used by multiple products |
| Vendor | wolfSSL |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Cryptographic issues
EUVDB-ID: #VU46079
Risk: Medium
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-24613
CWE-ID:
CWE-310 - Cryptographic Issues
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a MitM attack.
The vulnerability exists due to incorrect implementation of TLS 1.3 protocol within the SanityCheckTls13MsgReceived() in tls13.c when processing server data in the WAIT_CERT_CR state. A remote attacker can perform a Man-in-the-Middle (MitM) attack and read or modify information passed between clients using the wolfSSL library and TLS servers.
MitigationInstall updates from vendor's website.
Vulnerable software versionswolfSSL: 4.0 - 4.4.0
External linksQ & 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.
