Medium severity · published Jan 16, 2019
CVE-2017-3143
An error in TSIG authentication can permit unauthorized dynamic updates
5.9
CVSS
18.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)18.3% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
B9
BIND 9 · ISC
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 · source: vendor
BI
Bind · Isc
9.4.0 through 9.8.8; 9.9.0 through 9.9.10; 9.10.0 through 9.10.5; 9.11.0 through 9.11.1; 9.9.0; 9.9.3; +5 more · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.3; 7.4; 7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.3; 7.4; 7.5; 7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.3; 7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-3143
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-3143
Third Party Advisory
http://www.securityfocus.com/bid/99337
Third Party Advisory
http://www.securitytracker.com/id/1038809
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1679
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1680
Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03772en_us
Vendor Advisory
https://kb.isc.org/docs/aa-01503
More from BIND 9
9.8
CVE-2026-3593
Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation
8.6
CVE-2026-13321
DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field
8.1
CVE-2026-94300
Concurrent GSS-TSIG messages corrupt memory
7.8
CVE-2017-3141
Windows service and uninstall paths are not quoted when BIND is installed
7.5
CVE-2026-97313
Specific RPZ configurations and query patterns may result in an unexpected exit
