libcurl skips the certificate verification for a QUIC connection under certain conditions, when built to use wolfSSL. If told to use an unknown/bad cipher or curve, the error path accidentally skips the verification and returns OK, thus ignoring any certificate problems.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-2379
• https://hackerone.com/reports/2410774
• https://curl.se/docs/CVE-2024-2379.html
• https://curl.se/docs/CVE-2024-2379.json
• http://www.openwall.com/lists/oss-security/2024/03/27/2