CVE-2017-3137

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

Published Jan 16, 2019 CVSS 3.0 · 7.5 High EPSS 8.9% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade to the patched release most closely related to your current version of BIND. These can all be downloaded from http://www.isc.org/downloads. BIND 9 version 9.9.9-P8 BIND 9 version 9.10.4-P8 BIND 9 version 9.11.0-P5 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. BIND 9 version 9.9.9-S10 New maintenance releases of BIND are also scheduled which contain the fix for this vulnerability. In addition to the security releases listed above, fixes for this vulnerability are also included in these release candidate versions: BIND 9 version 9.9.10rc3 BIND 9 version 9.10.5rc3 BIND 9 version 9.11.1rc3


Vendor Workaround

None known.

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-957-1 bind9 security update
Debian DSA Debian DSA DSA-3854-1 bind9 security update
Ubuntu USN Ubuntu USN USN-3259-1 Bind vulnerabilities
History

No history.