CVE-2017-3137

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

HIGH
7.5
CVSS Score
Published: January 16, 2019 at 08:00 PM UTC
Updated: June 17, 2026 at 01:17 AM UTC
11 products affected across 4 vendorsDebian LinuxEnterprise Linux DesktopEnterprise Linux Server

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Severity
HIGH7.5
Exploit prediction
EPSS 9%

Description

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.

References (11)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/97651
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1038258
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1040195
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:1095
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:1105
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:1582
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:1583
x_refsource_CONFIRMVendor Advisory
https://kb.isc.org/docs/aa-01466

CVSS

7.5HIGHisc
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-617

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