Bug 2148815 (CVE-2022-39346) - CVE-2022-39346 nextcloud: Missing length validation of user displayname allows to generate an SQL error
Summary: CVE-2022-39346 nextcloud: Missing length validation of user displayname allo...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2022-39346
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: 2148816 2148817
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-11-28 04:34 UTC by Sandipan Roy
Modified: 2022-12-08 19:03 UTC (History)
0 users

Fixed In Version:
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Last Closed: 2022-12-08 19:03:49 UTC
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Description Sandipan Roy 2022-11-28 04:34:14 UTC 
Nextcloud server is an open source personal cloud server. Affected versions of nextcloud server did not properly limit user display names which could allow a malicious users to overload the backing database and cause a denial of service. It is recommended that the Nextcloud Server is upgraded to 22.2.10, 23.0.7 or 24.0.3. There are no known workarounds for this issue.

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6w9f-jgjx-4vj6
https://github.com/nextcloud/server/pull/33052
https://hackerone.com/reports/1588562
Comment 1 Sandipan Roy 2022-11-28 04:34:56 UTC 
Created nextcloud tracking bugs for this issue:

Affects: epel-all [bug 2148817]
Affects: fedora-all [bug 2148816]
Comment 2 Product Security DevOps Team 2022-12-08 19:03:45 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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