DEBIAN-CVE-2018-5738

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Source
https://security-tracker.debian.org/tracker/CVE-2018-5738
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-5738.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2018-5738
Upstream
Published
2019-01-16T20:29:00.907Z
Modified
2025-11-14T04:01:19.421186Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

Change #4777 (introduced in October 2017) introduced an unforeseen issue in releases which were issued after that date, affecting which clients are permitted to make recursive queries to a BIND nameserver. The intended (and documented) behavior is that if an operator has not specified a value for the "allow-recursion" setting, it SHOULD default to one of the following: none, if "recursion no;" is set in named.conf; a value inherited from the "allow-query-cache" or "allow-query" settings IF "recursion yes;" (the default for that setting) AND match lists are explicitly set for "allow-query-cache" or "allow-query" (see the BIND9 Administrative Reference Manual section 6.2 for more details); or the intended default of "allow-recursion {localhost; localnets;};" if "recursion yes;" is in effect and no values are explicitly set for "allow-query-cache" or "allow-query". However, because of the regression introduced by change #4777, it is possible when "recursion yes;" is in effect and no match list values are provided for "allow-query-cache" or "allow-query" for the setting of "allow-recursion" to inherit a setting of all hosts from the "allow-query" setting default, improperly permitting recursion to all clients. Affects BIND 9.9.12, 9.10.7, 9.11.3, 9.12.0->9.12.1-P2, the development release 9.13.0, and also releases 9.9.12-S1, 9.10.7-S1, 9.11.3-S1, and 9.11.3-S2 from BIND 9 Supported Preview Edition.

References

Affected packages

Debian:11 / bind9

Package

Name
bind9
Purl
pkg:deb/debian/bind9?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.11.3+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / bind9

Package

Name
bind9
Purl
pkg:deb/debian/bind9?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.11.3+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / bind9

Package

Name
bind9
Purl
pkg:deb/debian/bind9?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.11.3+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / bind9

Package

Name
bind9
Purl
pkg:deb/debian/bind9?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.11.3+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}