libirs160: "deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against...
CVE-2018-5740 is fixed in 16 products on 1 platform, first by bind9 1:9.11.3+dfsg-1ubuntu1.2, released August 8, 2018. It is not reported as exploited. Patch Radar priority: Routine.
"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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bind9 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | bind9 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| bind9-host · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | bind9-host 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| bind9utils · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | bind9utils 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| dnsutils · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | dnsutils 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libbind9-160 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libbind9-160 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libdns-export1100 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libdns-export1100 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libdns1100 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libdns1100 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libirs-export160 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libirs-export160 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libirs160 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libirs160 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libisc-export169 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libisc-export169 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libisc169 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libisc169 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libisccc-export160 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libisccc-export160 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libisccc160 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libisccc160 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libisccfg-export160 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libisccfg-export160 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| libisccfg160 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | libisccfg160 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
| liblwres160 · Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.2 | liblwres160 1:9.11.3+dfsg-1ubuntu1.2 | Aug 8, 2018 |
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