CVE-2002-0572
HighSummary
In FreeBSD 4.5 and earlier, and possibly other BSD-based operating systems, local users can access restricted files by closing file descriptors 0, 1, or 2. This may lead to unauthorized reading or writing of data by setuid processes.
Risk Assessment
The risk is that local users can access sensitive data or modify files, potentially leading to a security breach of the system.
Recommendation
It is recommended to update the system to a newer version to mitigate this vulnerability and to monitor access to restricted files.
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Original NVD description (English source)
FreeBSD 4.5 and earlier, and possibly other BSD-based operating systems, allows local users to write to or read from restricted files by closing the file descriptors 0 (standard input), 1 (standard output), or 2 (standard error), which may then be reused by a called setuid process that intended to perform I/O on normal files.