ASA-201706-18 log original external raw
[ASA-201706-18] bind: denial of service |
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Arch Linux Security Advisory ASA-201706-18
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Severity: Medium
Date : 2017-06-15
CVE-ID : CVE-2017-3140
Package : bind
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-301
Summary
=======
The package bind before version 9.11.1.P1-1 is vulnerable to denial of
service.
Resolution
==========
Upgrade to 9.11.1.P1-1.
# pacman -Syu "bind>=9.11.1.P1-1"
The problem has been fixed upstream in version 9.11.1.P1.
Workaround
==========
None.
Description
===========
A security issue has been found the Bind named DNS server < 9.11.1P1,
leading to a denial of service. A remote attacker can make a vulnerable
server configured to use a RPZ containing NSDNAME or NSIPpolicy rules
enter an endless loop, querying the same sets of authoritative servers
repeatedly, by sending a crafted query.
Impact
======
A remote attacker can cause a denial of service of a vulnerable server
using NSDNAME or NSIP RPZ policies by sending a crafted query.
References
==========
https://kb.isc.org/article/AA-01495
https://security.archlinux.org/CVE-2017-3140
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