Bug 1950118 (CVE-2021-22879) - CVE-2021-22879 nextcloud: missing URL validation allowed RCE for the server on the desktop client
Summary: CVE-2021-22879 nextcloud: missing URL validation allowed RCE for the server o...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-22879
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: 1950119 1950120
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-04-15 19:23 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-10-28 05:29 UTC (History)
11 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-10-28 05:29:43 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2021-04-15 19:23:37 UTC 
Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.

Reference:
https://nextcloud.com/security/advisory/?id=NC-SA-2021-008

Upstream patch:
https://github.com/nextcloud/desktop/pull/2906
Comment 1 Guilherme de Almeida Suckevicz 2021-04-15 19:24:03 UTC 
Created nextcloud-client tracking bugs for this issue:

Affects: epel-8 [bug 1950120]
Affects: fedora-all [bug 1950119]
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