ASA-201704-11 log original external raw
[ASA-201704-11] bind: denial of service |
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Arch Linux Security Advisory ASA-201704-11
==========================================
Severity: High
Date : 2017-04-29
CVE-ID : CVE-2017-3136 CVE-2017-3137 CVE-2017-3138
Package : bind
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-239
Summary
=======
The package bind before version 9.11.1-1 is vulnerable to denial of
service.
Resolution
==========
Upgrade to 9.11.1-1.
# pacman -Syu "bind>=9.11.1-1"
The problems have been fixed upstream in version 9.11.1.
Workaround
==========
None.
Description
===========
- CVE-2017-3136 (denial of service)
A security issue has been found in bind, where an error handling
synthesized records could cause an assertion failure when using DNS64
with "break-dnssec yes;".
- CVE-2017-3137 (denial of service)
A security issue has been found in bind, where a server which is
performing recursion can be forced to exit with an assertion failure if
it can be caused to receive a response containing CNAME or DNAME
resource records with certain ordering.
- CVE-2017-3138 (denial of service)
A security issue has been found in the bind named daemon, that will
exit with a "require" assertion failure if it receives a null command
string on its control channel. The control channel is not enabled by
default and is usually restricted to a few remote hosts via an ACL
and/or a transaction key.
Impact
======
A remote attacker can crash the application, leading to denial of
service.
References
==========
https://deepthought.isc.org/article/AA-01471
https://deepthought.isc.org/article/AA-01465
https://deepthought.isc.org/article/AA-01466
https://security.archlinux.org/CVE-2017-3136
https://security.archlinux.org/CVE-2017-3137
https://security.archlinux.org/CVE-2017-3138
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