Bug 2099404 (CVE-2022-32983) - CVE-2022-32983 knot-resolver: DNS cache poisoning
Summary: CVE-2022-32983 knot-resolver: DNS cache poisoning
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2022-32983
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: 2099405 2099406
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-06-20 21:23 UTC by Patrick Del Bello
Modified: 2022-06-21 01:06 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-06-21 01:06:33 UTC
Embargoed:


Attachments (Terms of Use)

Description Patrick Del Bello 2022-06-20 21:23:17 UTC
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.

https://knot-resolver.readthedocs.io/en/stable/modules-policy.html#forwarding
https://github.com/CZ-NIC/knot-resolver/commit/ccb9d9794db5eb757c33becf65cb1cf48ecfd968

Comment 1 Patrick Del Bello 2022-06-20 21:23:35 UTC
Created knot-resolver tracking bugs for this issue:

Affects: epel-all [bug 2099405]
Affects: fedora-all [bug 2099406]

Comment 2 Product Security DevOps Team 2022-06-21 01:06:31 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.


Note You need to log in before you can comment on or make changes to this bug.