Bug 2128600 (CVE-2022-3080) - CVE-2022-3080 bind: BIND 9 resolvers configured to answer from cache with zero stale-answer-timeout may terminate unexpectedly
Summary: CVE-2022-3080 bind: BIND 9 resolvers configured to answer from cache with zer...
Keywords:
Status: NEW
Alias: CVE-2022-3080
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2128750 2128756 2128706 2128708 2128748 2128749 2128751 2128752 2128753 2128754 2128755 2128757 2128758 2128759
Blocks: 2128582
TreeView+ depends on / blocked
 
Reported: 2022-09-21 08:40 UTC by Marian Rehak
Modified: 2022-10-05 07:32 UTC (History)
11 users (show)

Fixed In Version: bind 9.16.33, bind 9.18.7, bind 9.19.5
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Bind package, where the resolver can crash when stale cache and stale answers are enabled, option stale-answer-client-timeout is set to 0 and there is a stale CNAME in the cache for an incoming query. By sending specific queries to the resolver, an attacker can cause named to crash.
Clone Of:
Environment:
Last Closed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2022:6799 0 None None None 2022-10-05 07:32:17 UTC
Red Hat Product Errata RHSA-2022:6763 0 None None None 2022-10-03 15:16:27 UTC
Red Hat Product Errata RHSA-2022:6781 0 None None None 2022-10-04 15:35:54 UTC

Description Marian Rehak 2022-09-21 08:40:06 UTC
BIND 9 resolver can crash when stale cache and stale answers are enabled, option stale-answer-client-timeout is set to 0 and there is a stale CNAME in the cache for an incoming query. By sending specific queries to the resolver, an attacker can cause named to crash.

Comment 1 Marian Rehak 2022-09-21 12:59:38 UTC
Created bind tracking bugs for this issue:

Affects: fedora-all [bug 2128706]


Created dhcp tracking bugs for this issue:

Affects: fedora-all [bug 2128708]

Comment 4 errata-xmlrpc 2022-10-03 15:16:25 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2022:6763 https://access.redhat.com/errata/RHSA-2022:6763

Comment 5 errata-xmlrpc 2022-10-04 15:35:47 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:6781 https://access.redhat.com/errata/RHSA-2022:6781


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