iDefense Security Advisory 10.10.06: FreeBSD ptrace PT_LWPINFO
Denial of Service Vulnerability
cperciva at freebsd.org
Tue Oct 10 21:49:10 PDT 2006
Bill Moran wrote:
> Colin Percival <cperciva at freebsd.org> wrote:
>> This is a local denial of service bug, which was fixed 6 weeks ago in HEAD
> That was what I expected. Section III seems to hint that it could be
> used by an unprivilidged user to crash or lock a system.
Yes. An unprivileged user who is able to execute code on an affected system
can cause a kernel panic. There are a variety of reasons for not treating
bugs like this as security issues; the strongest reason imho is that if one
of your users is making a system crash, you can disable his account and call
> BTW, are you going to be at NYCBSDCon?
No -- I only go to conferences if I have a paper to present.
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