Bug 1921305 (CVE-2020-8293) - CVE-2020-8293 nextcloud: input validation issue allows users to store unlimited data in workflow rules
Summary: CVE-2020-8293 nextcloud: input validation issue allows users to store unlimit...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-8293
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1921306
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-01-27 21:01 UTC by Pedro Sampaio
Modified: 2021-01-28 02:41 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-01-28 02:41:35 UTC
Embargoed:

Attachments (Terms of Use)

Description Pedro Sampaio 2021-01-27 21:01:56 UTC 
A missing input validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows users to store unlimited data in workflow rules causing load and potential DDoS on later interactions and usage with those rules.

https://hackerone.com/reports/1018146
https://nextcloud.com/security/advisory/?id=NC-SA-2021-001
Comment 1 Pedro Sampaio 2021-01-27 21:02:20 UTC 
Created nextcloud tracking bugs for this issue:

Affects: fedora-all [bug 1921306]
Comment 2 Christopher Engelhard 2021-01-27 22:02:02 UTC 
Can whoever manages these monitoring scripts please make them check if any affected versions are actually in the repositories?
Comment 3 Product Security DevOps Team 2021-01-28 02:41:35 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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