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SubjectRe: 2.4.22-pre7: are security issues solved?
On Wed, 23 Jul 2003 19:56:47 +1000
Herbert Xu <> wrote:

> Aschwin Marsman <> wrote:
> >
> >> CAN-2003-0461: /proc/tty/driver/serial reveals the exact character counts
> >> for serial links. This could be used by a local attacker to infer password
> >> lengths and inter-keystroke timings during password entry.
> What's the problem with exposing those counters?

If I know your password is 7 characters I have a smaller
space of passwords to search to just brute-force it.
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