Bug 2042610 (CVE-2022-22846) - CVE-2022-22846 python-dnslib: client does not validate DNS transaction ID
Summary: CVE-2022-22846 python-dnslib: client does not validate DNS transaction ID
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2022-22846
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: 2042611 2042612
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-01-19 19:44 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-01-19 20:30 UTC (History)
1 user (show)

Fixed In Version:
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Environment:
Last Closed: 2022-01-19 20:30:37 UTC


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Description Guilherme de Almeida Suckevicz 2022-01-19 19:44:33 UTC
The dnslib package through 0.9.16 for Python does not verify that the ID value in a DNS reply matches an ID value in a query.

Reference:
https://github.com/paulc/dnslib/issues/30

Comment 1 Guilherme de Almeida Suckevicz 2022-01-19 19:44:47 UTC
Created python-dnslib tracking bugs for this issue:

Affects: epel-8 [bug 2042612]
Affects: fedora-all [bug 2042611]

Comment 2 Product Security DevOps Team 2022-01-19 20:30:36 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.


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