CVE-1999-0856

Summary

CVE-1999-0856 is a vulnerability affecting Slackware 7.0's login process. Attackers can exploit this issue to identify valid usernames by triggering an encryption error message when attempting to access locked or non-existent accounts. This error revelation provides attackers with valuable information for further exploitation attempts. The vulnerability exists due to inadequate input validation during the login process, allowing unauthorized access to user information. This weakness poses a significant risk to system security, necessitating immediate patching.

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