Bug 1871755 (CVE-2020-8227) - CVE-2020-8227 nextcloud: missing sanitization of a server response leads to store files outside of dedicated sync directory
Summary: CVE-2020-8227 nextcloud: missing sanitization of a server response leads to s...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-8227
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: 1871756 1871757 1871758 1871759
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-08-24 08:22 UTC by Dhananjay Arunesh
Modified: 2020-08-24 09:15 UTC (History)
11 users (show)

Fixed In Version:
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Last Closed: 2020-08-24 09:15:24 UTC
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Description Dhananjay Arunesh 2020-08-24 08:22:02 UTC
Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.

References:
https://hackerone.com/reports/590319

Comment 1 Dhananjay Arunesh 2020-08-24 08:23:38 UTC
Created nextcloud tracking bugs for this issue:

Affects: epel-7 [bug 1871758]
Affects: fedora-all [bug 1871756]


Created nextcloud-client tracking bugs for this issue:

Affects: epel-7 [bug 1871759]
Affects: fedora-all [bug 1871757]

Comment 2 Product Security DevOps Team 2020-08-24 09:15:24 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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