Bug 2189980

Summary:	CVE-2021-32760 stargz-snapshotter: containerd: pulling and extracting crafted container image may result in Unix file permission changes [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Avinash Hanwate <ahanwate>
Component:	stargz-snapshotter	Assignee:	Kohei Tokunaga <ktokunaga.mail>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	38	CC:	go-sig, ktokunaga.mail, lsm5
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-04-27 01:42:03 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:
Bug Blocks:	1982681

Description Avinash Hanwate 2023-04-26 16:32:28 UTC

More information about this security flaw is available in the following bug:

http://bugzilla.redhat.com/show_bug.cgi?id=1982681

Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Avinash Hanwate 2023-04-26 16:32:30 UTC

Use the following template to for the 'fedpkg update' request to submit an
update for this issue as it contains the top-level parent bug(s) as well as
this tracking bug.  This will ensure that all associated bugs get updated
when new packages are pushed to stable.

=====

# bugfix, security, enhancement, newpackage (required)
type=security

# low, medium, high, urgent (required)
severity=medium

# testing, stable
request=testing

# Bug numbers: 1234,9876
bugs=1982681,2189980

# Description of your update
notes=Security fix for [PUT CVEs HERE]

# Enable request automation based on the stable/unstable karma thresholds
autokarma=True
stable_karma=3
unstable_karma=-3

# Automatically close bugs when this marked as stable
close_bugs=True

# Suggest that users restart after update
suggest_reboot=False

======

Additionally, you may opt to use the bodhi web interface to submit updates:

https://bodhi.fedoraproject.org/updates/new

Comment 2 Kohei Tokunaga 2023-04-27 01:42:03 UTC

This CVE has been fixed in v1.5.4 [1] and stargz snapshotter depends on v1.7.0-rc.2 [2] which is newer than that version so it's not vulnerable.

[1] https://github.com/containerd/containerd/security/advisories/GHSA-c72p-9xmj-rx3w
[2] https://github.com/containerd/stargz-snapshotter/blob/v0.14.3/go.mod#L7