Bug 1898149 (CVE-2020-8152)

Summary:	CVE-2020-8152 nextcloud: Improper confidentiality protection of server-side encryption keys
Product:	[Other] Security Response	Reporter:	Michael Kaplan <mkaplan>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	ce, james.hogarth
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	nextcloud 20.0.0	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-11-16 17:28:40 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:	1898150
Bug Blocks:

Description Michael Kaplan 2020-11-16 14:20:36 UTC

Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the public key to decrypt them later on.

Comment 1 Michael Kaplan 2020-11-16 14:20:39 UTC

External References:

https://hackerone.com/reports/743505
https://nextcloud.com/security/advisory/?id=NC-SA-2020-040

Comment 2 Michael Kaplan 2020-11-16 14:20:56 UTC

Created nextcloud tracking bugs for this issue:

Affects: fedora-all [bug 1898150]

Comment 3 Product Security DevOps Team 2020-11-16 17:28:40 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.