CVE-2016-2775

high-risk

Published 2016-07-19

ISC BIND 9.x before 9.9.9-P2, 9.10.x before 9.10.4-P2, and 9.11.x before 9.11.0b2, when lwresd or the named lwres option is enabled, allows remote attackers to cause a denial of service (daemon crash) via a long request that uses the lightweight resolver protocol.

Do I need to act?

43.3% chance of exploitation in next 30 days

EPSS score — higher than 57% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.9/10 Medium

NETWORK / HIGH complexity

Affected Products (20)

Bind

Fedora

Enterprise Linux Desktop

Enterprise Linux Eus

Enterprise Linux Server

Enterprise Linux Server Aus

Enterprise Linux Server Tus

Affected Vendors

Hp Fedoraproject Isc Redhat

References (32)

Third Party Advisory http://www.securityfocus.com/bid/92037

Third Party Advisory http://www.securitytracker.com/id/1036360

Third Party Advisory https://access.redhat.com/errata/RHBA-2017:0651

Third Party Advisory https://access.redhat.com/errata/RHBA-2017:1767

Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2533

Patch https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c...

Patch https://kb.isc.org/article/AA-01393/74/CVE-2016-2775

Broken Link https://kb.isc.org/article/AA-01435

Broken Link https://kb.isc.org/article/AA-01436

Broken Link https://kb.isc.org/article/AA-01438

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://security.gentoo.org/glsa/201610-07

Third Party Advisory https://security.netapp.com/advisory/ntap-20160722-0002/

Third Party Advisory http://www.securityfocus.com/bid/92037

Third Party Advisory http://www.securitytracker.com/id/1036360

Third Party Advisory https://access.redhat.com/errata/RHBA-2017:0651

Third Party Advisory https://access.redhat.com/errata/RHBA-2017:1767

and 12 more references

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high-risk

Severity 18/34 · Moderate

Exploitability 17/34 · Moderate

Exposure 24/34 · High