CVE-2023-4408 Affecting bind9 package, versions <1:9.18.18-0ubuntu0.22.04.2
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Test your applications- Snyk ID SNYK-UBUNTU2204-BIND9-6245587
- published 14 Feb 2024
- disclosed 13 Feb 2024
Introduced: 13 Feb 2024
CVE-2023-4408 Open this link in a new tabHow to fix?
Upgrade Ubuntu:22.04 bind9 to version 1:9.18.18-0ubuntu0.22.04.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bind9 package and not the bind9 package as distributed by Ubuntu.
See How to fix? for Ubuntu:22.04 relevant fixed versions and status.
The DNS message parsing code in named includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected named instance by exploiting this flaw. This issue affects both authoritative servers and recursive resolvers.
This issue affects BIND 9 versions 9.0.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2023-4408
- https://kb.isc.org/docs/cve-2023-4408
- http://www.openwall.com/lists/oss-security/2024/02/13/1
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
- https://security.netapp.com/advisory/ntap-20240426-0001/