In message 87k482kw0l@mid.deneb.enyo.de, Florian Weimer writes:
I've noticed that nobody seems to have accurate information about
CVE-2006-2073 on file. This was a vulnerability in handling
TSIG-based authentication *after* authentication, so it wasn't a high
priority issue.
Actually it required the target server to be configured as a slave
to a custom built rogue master or for the attacker be in a position
to intercept the AXFR/IXFR request to a non compromised master. It
also required that TSIG not be being used to authenticate the
AXFR/IXFR request.
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of service
I fail to see how this could ever have been classified as
Access Complexity: Low.
Looking at the CVE it looks like this bug fix contains the correction.
2013. [bug] Handle unexpected TSIGs on unsigned AXFR/IXFR
responses more gracefully. [RT #15941]
What was the first BIND version that fixed it?
9.2.7, 9.3.3, 9.4.0.
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Mark Andrews, ISC
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