Bug 2263896 (CVE-2023-4408) - CVE-2023-4408 bind9: Parsing large DNS messages may cause excessive CPU load
Summary: CVE-2023-4408 bind9: Parsing large DNS messages may cause excessive CPU load
Keywords:
Status: NEW
Alias: CVE-2023-4408
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2264062 2264365
Blocks: 2263895
TreeView+ depends on / blocked
 
Reported: 2024-02-12 16:55 UTC by Marco Benatto
Modified: 2024-05-08 06:20 UTC (History)
2 users (show)

Fixed In Version: bind 9.16.48, bind 9.18.24, bind 9.19.21
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the bind package. This issue may allow a remote attacker with no specific privileges to craft a specially long DNS message leading to an excessive and uncontrolled CPU usage, the server being unavailable, and a Denial of Service.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2024:1792 0 None None None 2024-04-11 19:32:12 UTC
Red Hat Product Errata RHBA-2024:1805 0 None None None 2024-04-15 01:37:25 UTC
Red Hat Product Errata RHBA-2024:1811 0 None None None 2024-04-15 02:08:32 UTC
Red Hat Product Errata RHBA-2024:1933 0 None None None 2024-04-22 05:29:20 UTC
Red Hat Product Errata RHBA-2024:2714 0 None None None 2024-05-06 16:50:59 UTC
Red Hat Product Errata RHSA-2024:1647 0 None None None 2024-04-02 20:49:38 UTC
Red Hat Product Errata RHSA-2024:1648 0 None None None 2024-04-02 20:50:28 UTC
Red Hat Product Errata RHSA-2024:1781 0 None None None 2024-04-11 10:59:42 UTC
Red Hat Product Errata RHSA-2024:1782 0 None None None 2024-04-11 11:11:10 UTC
Red Hat Product Errata RHSA-2024:1789 0 None None None 2024-04-11 17:43:08 UTC
Red Hat Product Errata RHSA-2024:1800 0 None None None 2024-04-15 01:26:28 UTC
Red Hat Product Errata RHSA-2024:1803 0 None None None 2024-04-15 01:47:21 UTC
Red Hat Product Errata RHSA-2024:2551 0 None None None 2024-04-30 14:37:38 UTC
Red Hat Product Errata RHSA-2024:2720 0 None None None 2024-05-07 07:24:28 UTC
Red Hat Product Errata RHSA-2024:2721 0 None None None 2024-05-07 07:44:53 UTC

Description Marco Benatto 2024-02-12 16:55:54 UTC 
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.
Comment 3 Dhananjay Arunesh 2024-02-13 16:38:29 UTC 
Created bind tracking bugs for this issue:

Affects: fedora-all [bug 2264062]
Comment 5 Dhananjay Arunesh 2024-02-15 08:29:48 UTC 
Created dhcp tracking bugs for this issue:

Affects: fedora-all [bug 2264365]
Comment 8 errata-xmlrpc 2024-04-02 20:49:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:1647 https://access.redhat.com/errata/RHSA-2024:1647
Comment 9 errata-xmlrpc 2024-04-02 20:50:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Extended Update Support

Via RHSA-2024:1648 https://access.redhat.com/errata/RHSA-2024:1648
Comment 10 errata-xmlrpc 2024-04-11 10:59:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:1781 https://access.redhat.com/errata/RHSA-2024:1781
Comment 11 errata-xmlrpc 2024-04-11 11:11:09 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:1782 https://access.redhat.com/errata/RHSA-2024:1782
Comment 12 errata-xmlrpc 2024-04-11 17:43:07 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:1789 https://access.redhat.com/errata/RHSA-2024:1789
Comment 13 errata-xmlrpc 2024-04-15 01:26:26 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Extended Update Support

Via RHSA-2024:1800 https://access.redhat.com/errata/RHSA-2024:1800
Comment 14 errata-xmlrpc 2024-04-15 01:47:19 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:1803 https://access.redhat.com/errata/RHSA-2024:1803
Comment 16 errata-xmlrpc 2024-04-30 14:37:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:2551 https://access.redhat.com/errata/RHSA-2024:2551
Comment 17 errata-xmlrpc 2024-05-07 07:24:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:2720 https://access.redhat.com/errata/RHSA-2024:2720
Comment 18 errata-xmlrpc 2024-05-07 07:44:51 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Extended Update Support

Via RHSA-2024:2721 https://access.redhat.com/errata/RHSA-2024:2721
Note You need to log in before you can comment on or make changes to this bug.