Bug 1902137 (CVE-2020-8173)

Summary:	CVE-2020-8173 nextcloud: random characters allowed decryption in shorter time than intended
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ce, james.hogarth
Target Milestone:	---	Keywords:	Security
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Hardware:	All
OS:	Linux
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Last Closed:	2021-10-28 05:27:48 UTC	Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Description Dhananjay Arunesh 2020-11-27 04:23:17 UTC

A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.

References:
https://hackerone.com/reports/852841
https://nextcloud.com/security/advisory/?id=NC-SA-2020-023

Comment 1 Christopher Engelhard 2020-11-27 07:16:34 UTC

Fixed in 18.0.5+ which has been in the repos for a while.