[Bug 1258003] Re: DiG crashes on +nssearch with +tcp [Outdated in Ubuntu repo]

Joshua Rogers MegaManSec at gmail.com
Tue Oct 28 11:38:46 UTC 2014


Just an update on this: It is patched in Ubuntu 14.04.1.

I have identified another bug in DiG which is yet to be patched in any
versions of bind(I only just reported it now), which affects those that
use ipv6.

megamansec at megamansec:~$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 14.04.1 LTS
Release:	14.04
Codename:	trusty

megamansec at megamansec:~$ dig +time=3 +nssearch +tcp internot.info
;; Connection to 2400:cb00:2049:1::adf5:3b95#53(2400:cb00:2049:1::adf5:3b95) for internot.info failed: network unreachable.
Segmentation fault

megamansec at megamansec:~$ dig +time=3 +nssearch +tcp google.com
SOA ns1.google.com. dns-admin.google.com. 2014101500 7200 1800 1209600 300 from server 216.239.38.10 in 231 ms.
SOA ns1.google.com. dns-admin.google.com. 2014101500 7200 1800 1209600 300 from server 216.239.32.10 in 238 ms.
SOA ns1.google.com. dns-admin.google.com. 2014101500 7200 1800 1209600 300 from server 216.239.36.10 in 239 ms.
SOA ns1.google.com. dns-admin.google.com. 2014101500 7200 1800 1209600 300 from server 216.239.34.10 in 283 ms.


So, perhaps before pushing anything, wait for ISC to fix the most recent bug I identified.

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Title:
  DiG crashes on +nssearch with +tcp [Outdated in Ubuntu repo]

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