Gentoo: GLSA-201701-26: BIND: Denial of Service
Summary
A defect in BIND's handling of responses containing a DNAME answer can cause a resolver to exit after encountering an assertion failure in db.c or resolver.c.
Resolution
All BIND users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/bind-9.10.4_p4"
References
[ 1 ] CVE-2016-8864 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8864
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201701-26
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
A vulnerability in BIND might allow remote attackers to cause a Denial of Service condition.
Background
BIND (Berkeley Internet Name Domain) is a Name Server.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dns/bind < 9.10.4_p4 >= 9.10.4_p4
Impact
===== A remote attacker could send a specially crafted DNS request to the BIND resolver possibly resulting in a Denial of Service condition.
Workaround
There is no known workaround at this time.