CVE-2017-3143

An error in TSIG authentication can permit unauthorized dynamic updates

HIGH
7.5
CVSS Score
Published: January 16, 2019 at 08:00 PM UTC
Updated: June 17, 2026 at 01:17 AM UTC
8 products affected across 3 vendorsDebian LinuxEnterprise Linux DesktopEnterprise Linux Server

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Severity
HIGH7.5
Exploit prediction
EPSS 18%

Description

An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name for the zone and service being targeted may be able to manipulate BIND into accepting an unauthorized dynamic update. Affects BIND 9.4.0->9.8.8, 9.9.0->9.9.10-P1, 9.10.0->9.10.5-P1, 9.11.0->9.11.1-P1, 9.9.3-S1->9.9.10-S2, 9.10.5-S1->9.10.5-S2.

Affected

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/99337
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1038809
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:1679
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:1680
x_refsource_CONFIRMVendor Advisory
https://kb.isc.org/docs/aa-01503
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
https://www.debian.org/security/2017/dsa-3904

CVSS

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

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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