CVE-1999-0821

Summary

CVE-1999-0821 is a vulnerability affecting the FreeBSD seyon utility. This issue grants local users elevated privileges by supplying a malicious program in the -emulator argument. Exploitation of this vulnerability allows attackers to execute arbitrary code with root-level access, potentially leading to significant system compromise. This vulnerability was identified and documented over twenty years ago, but remains relevant due to its potential for serious consequences. Despite the age of this vulnerability, it serves as a reminder of the importance of keeping all software up-to-date to mitigate potential risks.

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