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CVE-2020-7043

Description

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack.

POC

Reference

No PoCs from references.

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/chnzzh/OpenSSL-CVE-lib

- https://github.com/pilvikala/snyk-c-test-api