Improper Input Validation Affecting bind9 package, versions <1:9.10.3.dfsg.P4-11
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-BIND9-346458
- published28 Sept 2016
- disclosed28 Sept 2016
Introduced: 28 Sep 2016
CVE-2016-2776 (opens in a new tab)How to fix?
Upgrade Debian:unstable bind9 to version 1:9.10.3.dfsg.P4-11 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bind9 package and not the bind9 package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3 does not properly construct responses, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted query.
References
- https://security-tracker.debian.org/tracker/CVE-2016-2776
- https://kb.isc.org/article/AA-01419/0
- https://kb.isc.org/article/AA-01435
- https://kb.isc.org/article/AA-01436
- https://kb.isc.org/article/AA-01438
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2776
- https://www.exploit-db.com/exploits/40453/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:28.bind.asc
- https://security.gentoo.org/glsa/201610-07
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107
- https://security.netapp.com/advisory/ntap-20160930-0001/
- http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- http://rhn.redhat.com/errata/RHSA-2016-1944.html
- http://rhn.redhat.com/errata/RHSA-2016-1945.html
- http://rhn.redhat.com/errata/RHSA-2016-2099.html
- http://www.securityfocus.com/bid/93188
- http://www.securitytracker.com/id/1036903
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-2776
- https://www.exploit-db.com/exploits/40453
- https://github.com/infobyte/CVE-2016-2776