CVE-1999-0821

Summary

CVE-1999-0821 is a vulnerability affecting the FreeBSD seyon utility. This issue permits local users to elevate their privileges by providing a malicious program in the -emulator argument. Successful exploitation of this vulnerability could allow an attacker to gain root access, compromising the system's security. The seyon utility is responsible for executing emulators, and the flawed argument handling allows for code injection, leading to privilege escalation. This vulnerability was discovered in 1999 and poses a significant threat to systems running unpatched FreeBSD installations.

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