CVE-2017-3136

high-risk
Published 2019-01-16

A query with a specific set of characteristics could cause a server using DNS64 to encounter an assertion failure and terminate. An attacker could deliberately construct a query, enabling denial-of-service against a server if it was configured to use the DNS64 feature and other preconditions were met. Affects BIND 9.8.0 -> 9.8.8-P1, 9.9.0 -> 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.0 -> 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0 -> 9.11.0-P3, 9.11.1b1->9.11.1rc1, 9.9.3-S1 -> 9.9.9-S8.

Do I need to act?

!
49.4% chance of exploitation in next 30 days
EPSS score — higher than 51% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (20)

Affected Vendors

Debian Redhat Isc Netapp

References (22)

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
Third Party Advisory http://www.securityfocus.com/bid/97653
Third Party Advisory http://www.securitytracker.com/id/1038259
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1095
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1105
Third Party Advisory https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...
Vendor Advisory https://kb.isc.org/docs/aa-01465
Third Party Advisory https://security.gentoo.org/glsa/201708-01
Third Party Advisory https://security.netapp.com/advisory/ntap-20180802-0002/
Third Party Advisory https://www.debian.org/security/2017/dsa-3854
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
Third Party Advisory http://www.securityfocus.com/bid/97653
Third Party Advisory http://www.securitytracker.com/id/1038259
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1095
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1105
Third Party Advisory https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...
Vendor Advisory https://kb.isc.org/docs/aa-01465
Third Party Advisory https://security.gentoo.org/glsa/201708-01
and 2 more references
61
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 18/34 · Moderate
Exposure 25/34 · High