CVE-1999-1099

Summary

CVE-1999-1099 refers to a vulnerability in the Kerberos 4 authentication protocol. An attacker can exploit this issue by crafting a malformed UDP packet that triggers an error response. The error message inadvertently discloses sensitive information, specifically the realm name and the last user, allowing an unauthorized party to gain valuable insights for further attacks. This vulnerability poses a serious risk to networks using Kerberos 4 for authentication, as it enables information leakage and potential unauthorized access.

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