[Bug 3979] udhcpc should filter out malicious hostnames passed in option 0x0c

bugzilla at busybox.net bugzilla at busybox.net
Thu Dec 8 15:44:42 UTC 2011


https://bugs.busybox.net/show_bug.cgi?id=3979

--- Comment #7 from Denys Vlasenko <vda.linux at googlemail.com> 2011-12-08 15:44:42 UTC ---
(In reply to comment #2)
> Created attachment 3842 [details]
> udhcpc: check validity of hostname
> 
> make sure hostname is a valid domain name

The bug is about sanitizing hostnames in incoming packets. We don't interfere
if local admin uses bogus hostname in -h HOST option...

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