Bug 2142924 (CVE-2022-42966) - CVE-2022-42966 python-cleo: exponential ReDoS in cleo leads to denial of service
Summary: CVE-2022-42966 python-cleo: exponential ReDoS in cleo leads to denial of service
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2022-42966
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: 2142925 2142926 2142927
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-11-15 14:04 UTC by TEJ RATHI
Modified: 2022-12-06 11:33 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2022-12-06 11:33:18 UTC
Embargoed:

Attachments (Terms of Use)

Description TEJ RATHI 2022-11-15 14:04:58 UTC 
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method

https://research.jfrog.com/vulnerabilities/cleo-redos-xray-257186/
Comment 1 TEJ RATHI 2022-11-15 14:05:19 UTC 
Created python-cleo tracking bugs for this issue:

Affects: fedora-35 [bug 2142925]
Comment 2 TEJ RATHI 2022-11-15 14:07:11 UTC 
Created python-cleo tracking bugs for this issue:

Affects: fedora-36 [bug 2142926]
Affects: fedora-37 [bug 2142927]
Comment 3 Petr Viktorin (pviktori) 2022-11-23 13:23:23 UTC 
To me, a DoS opportunity in a CLI tool doesn't sound like a big problem. Why is this Medium?
Comment 4 Product Security DevOps Team 2022-12-06 11:33:17 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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