PublicDateAtUSN: 2018-08-09
Candidate: CVE-2018-5740
PublicDate: 2019-01-16 20:29:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5740
 https://kb.isc.org/article/AA-01639/74/CVE-2018-5740
 https://ubuntu.com/security/notices/USN-3769-1
 https://ubuntu.com/security/notices/USN-3769-2
Description:
 "deny-answer-aliases" is a little-used feature intended to help recursive
 server operators protect end users against DNS rebinding attacks, a
 potential method of circumventing the security model used by client
 browsers. However, a defect in this feature makes it easy, when the feature
 is in use, to experience an assertion failure in name.c. Affects BIND
 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4,
 9.12.0->9.12.2, 9.13.0->9.13.2.
Ubuntu-Description:
Notes:
Mitigation:
 Disable use of "deny-answer-aliases" feature
Bugs:
 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=905743
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H [7.5 HIGH]
 nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H [7.5 HIGH]

Patches_bind9:
 upstream: 98b2377de3125e4f12c05f0b04f8cac214b76120 (v9.11)
 upstream: 02e8b3f8dcfdb9877cb053af7ca34809e8543420 (v9.11)
 upstream: ba162bd0d49dfb699162712b1c22783bc88b1632 (v9.11)
upstream_bind9: needs-triage
precise/esm_bind9: released (1:9.8.1.dfsg.P1-4ubuntu0.26)
trusty_bind9: released (1:9.9.5.dfsg-3ubuntu0.18)
trusty/esm_bind9: released (1:9.9.5.dfsg-3ubuntu0.18)
xenial_bind9: released (1:9.10.3.dfsg.P4-8ubuntu1.11)
esm-infra/xenial_bind9: released (1:9.10.3.dfsg.P4-8ubuntu1.11)
bionic_bind9: released (1:9.11.3+dfsg-1ubuntu1.2)
devel_bind9: released (1:9.11.4+dfsg-3ubuntu4)