Bug 2004932 (CVE-2021-32802) - CVE-2021-32802 nextcloud: supplying third party library with untrusted user input may lead to remote code execution
Summary: CVE-2021-32802 nextcloud: supplying third party library with untrusted user i...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-32802
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: 2004933
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-09-16 13:15 UTC by Marian Rehak
Modified: 2021-09-16 18:21 UTC (History)
2 users (show)

Fixed In Version: nextcloud 20.0.12, nextcloud 21.0.4, nextcloud 22.1.0
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Last Closed: 2021-09-16 18:21:27 UTC
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Description Marian Rehak 2021-09-16 13:15:40 UTC 
Nextcloud supports rendering image previews for user provided file content. For some image types, the Nextcloud server was invoking a third-party library that wasn't suited for untrusted user-supplied content, this might lead to Server-Side-Request-Forgery of Remote Code Execution.

Upstream Advisory:

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m682-v4g9-wrq7
Comment 1 Marian Rehak 2021-09-16 13:15:54 UTC 
Created nextcloud tracking bugs for this issue:

Affects: fedora-all [bug 2004933]
Comment 2 Product Security DevOps Team 2021-09-16 18:21:27 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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