Denial of Service Vulnerability in ISC BIND 9.10.x
CVE-2016-2088

6.8MEDIUM

Key Information:

Vendor

Isc
Status
Bind
Vendor
CVE Published:
9 March 2016

What is CVE-2016-2088?

This vulnerability affects ISC BIND 9.10.x versions prior to 9.10.3-P4 and stems from a flaw in the resolver component when DNS cookies are enabled. Attackers can exploit this weakness by sending a specially crafted packet containing more than one cookie option, causing the BIND daemon to assert failure and terminate unexpectedly. This denial-of-service condition can disrupt DNS services, rendering them unavailable until the daemon is manually restarted.

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References

http://www.securitytracker.com/id/1035238
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/84290
vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201610-07
vendor-advisoryx_refsource_GENTOO

EPSS Score

48% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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