CVE-1999-0420

Summary

CVE-1999-0420 is a vulnerability affecting the UMAP file system (umapfs) used in older Linux distributions. Maliciously crafted mount_umap programs can be used by local users to manipulate their user IDs, ultimately gaining root privileges. This issue represents a significant security risk, as it enables unauthorized access to critical system functions. The vulnerability can be mitigated by updating to a more secure file system or implementing proper access control measures.

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