CVE-2018-5740 (retired)

Priority
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.
Notes
 sbeattie> MITIGATION:
  - disable use of "deny-answer-aliases" feature
Package
Source: bind9 (LP Ubuntu Debian)
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):released (1:9.8.1.dfsg.P1-4ubuntu0.26)
Ubuntu 14.04 LTS (Trusty Tahr):released (1:9.9.5.dfsg-3ubuntu0.18)
Ubuntu 16.04 LTS (Xenial Xerus):released (1:9.10.3.dfsg.P4-8ubuntu1.11)
Ubuntu 18.04 LTS (Bionic Beaver):released (1:9.11.3+dfsg-1ubuntu1.2)
Ubuntu 18.10 (Cosmic Cuttlefish):released (1:9.11.4+dfsg-3ubuntu4)
Patches:
Upstream:98b2377de3125e4f12c05f0b04f8cac214b76120 (v9.11)
Upstream:02e8b3f8dcfdb9877cb053af7ca34809e8543420 (v9.11)
Upstream:ba162bd0d49dfb699162712b1c22783bc88b1632 (v9.11)
More Information

Updated: 2019-03-26 12:27:33 UTC (commit ccdecfcf0fead22bd291e5f4ea745a46872dcb15)