Bug 1800761 (CVE-2020-8117)

Summary:	CVE-2020-8117 nextcloud: Improper preservation of permissions leads to event details leak
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ichavero, james.hogarth
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-02-08 02:09:40 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1800762, 1800763
Bug Blocks:

Description Pedro Sampaio 2020-02-07 20:41:42 UTC

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.

References:

https://hackerone.com/reports/439828
https://nextcloud.com/security/advisory/?id=NC-SA-2020-013

Comment 1 Pedro Sampaio 2020-02-07 20:42:09 UTC

Created nextcloud tracking bugs for this issue:

Affects: epel-7 [bug 1800763]
Affects: fedora-all [bug 1800762]

Comment 2 Product Security DevOps Team 2020-02-08 02:09:40 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.