A response packet can cause a resolver to terminate when processing an answer containing a CNAME or DNAME
CVE-2017-3137

7.5HIGH

Key Information:

Vendor

Isc
Status
Bind 9
Vendor
CVE Published:
16 January 2019

What is CVE-2017-3137?

Mistaken assumptions about the ordering of records in the answer section of a response containing CNAME or DNAME resource records could lead to a situation in which named would exit with an assertion failure when processing a response in which records occurred in an unusual order. Affects BIND 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0-P3, 9.11.1b1->9.11.1rc1, and 9.9.9-S8.

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Affected Version(s)

BIND 9 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0-P3, 9.11.1b1->9.11.1rc1, and 9.9.9-S8

References

https://access.redhat.com/errata/RHSA-2017:1095
vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/201708-01
vendor-advisoryx_refsource_GENTOO
http://www.securitytracker.com/id/1038258
vdb-entryx_refsource_SECTRACK

EPSS Score

34% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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