Bug 2164038 (CVE-2022-3736) - CVE-2022-3736 bind: sending specific queries to the resolver may cause a DoS
Summary: CVE-2022-3736 bind: sending specific queries to the resolver may cause a DoS
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2022-3736
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2164393 2164394 2164408 2164507
Blocks: 2164033
TreeView+ depends on / blocked
 
Reported: 2023-01-24 14:53 UTC by Marian Rehak
Modified: 2023-05-16 16:32 UTC (History)
3 users (show)

Fixed In Version: bind 9.16.37, bind 9.18.11, bind 9.19.9
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in Bind, where a resolver crash is possible. When stale cache and stale answers are enabled, the option stale-answer-client-timeout is set to a positive integer, and the resolver receives an RRSIG query.
Clone Of:
Environment:
Last Closed: 2023-05-16 16:32:49 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:2261 0 None None None 2023-05-09 07:23:43 UTC
Red Hat Product Errata RHSA-2023:2792 0 None None None 2023-05-16 08:12:38 UTC

Description Marian Rehak 2023-01-24 14:53:24 UTC 
BIND 9 resolver can crash when stale cache and stale answers are enabled, option stale-answer-client-timeout is set to a positive integer, and the resolver receives an RRSIG query.
Comment 3 Marian Rehak 2023-01-25 16:02:51 UTC 
Created bind tracking bugs for this issue:

Affects: fedora-all [bug 2164507]
Comment 4 errata-xmlrpc 2023-05-09 07:23:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2261 https://access.redhat.com/errata/RHSA-2023:2261
Comment 5 errata-xmlrpc 2023-05-16 08:12:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2792 https://access.redhat.com/errata/RHSA-2023:2792
Comment 6 Product Security DevOps Team 2023-05-16 16:32:47 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-3736
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