Bug 2120255 (CVE-2022-2787)

Summary:	CVE-2022-2787 schroot: denial of service in schroot
Product:	[Other] Security Response	Reporter:	ybuenos
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	agk, extras-orphan, os
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:	2022-09-02 12:55:48 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:	2120257, 2120258
Bug Blocks:

Description ybuenos 2022-08-22 10:55:34 UTC

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to schroot has too permissive rules on chroot or session names. A local user can perform a denial of service on the schroot service for all users that may start a schroot session.

Comment 1 ybuenos 2022-08-22 10:56:48 UTC

Created schroot tracking bugs for this issue:

Affects: epel-all [bug 2120257]
Affects: fedora-all [bug 2120258]

Comment 2 Product Security DevOps Team 2022-09-02 12:55:47 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.