Re: access(2)--a security hole?

[jepstein () cordant com (Jeremy Epstein -C2 PROJECT)]

> the FreeBSD man page for access(2) includes a section titled "CAVEAT" 
> which says that "Access() is a potential security hole and should never 
> be used."
>
> i looked into libc source and access is a typical system call--no real 
> source at all, just enough assembler wrapper to generate a system call 
> with the correct arguments.  the assembler is generated when libc is 
> compiled through defines and other macros--real slick.
>
> the actual syscall is executed in /sys/kern/vfs_syscalls.c, but i cant 
> see why this is a hole.
>
> can you enlighten me?
>
> jmb 
>
> Jonathan M. Bresler  jmb () kryten atinc com         | Analysis & Technology, Inc.  
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