CVE-2016-2776

Public Exploit

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 89.57% Top 5%
Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory FreeBSD.org Vendor Advisory redhat.com Vendor Advisory isc.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/93188 vdb entry
https://kb.isc.org/article/AA-01438
https://kb.isc.org/article/AA-01419/0 vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html third party advisory
http://rhn.redhat.com/errata/RHSA-2016-1944.html vendor advisory
https://www.exploit-db.com/exploits/40453/ exploit
https://security.gentoo.org/glsa/201610-07 vendor advisory
https://kb.isc.org/article/AA-01435
http://rhn.redhat.com/errata/RHSA-2016-2099.html vendor advisory
https://security.netapp.com/advisory/ntap-20160930-0001/
http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html third party advisory
http://www.securitytracker.com/id/1036903 vdb entry
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html third party advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:28.bind.asc vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-1945.html vendor advisory
https://kb.isc.org/article/AA-01436
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107 third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-2776?
CVE-2016-2776 has been scored as a high severity vulnerability.
How to fix CVE-2016-2776?
To fix CVE-2016-2776, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-2776 being actively exploited in the wild?
It is possible that CVE-2016-2776 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~90% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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