Bug 1768556

Summary:	CVE-2019-5094 e2fsprogs: crafted ext4 partition leads to out-of-bounds write [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	e2fsprogs	Assignee:	Lukáš Czerner <lczerner>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	high
Version:	31	CC:	esandeen, josef, kasal, kzak, lczerner, oliver
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	e2fsprogs-1.45.5-1.fc31	Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:
Clones:	1792192 (view as bug list)		Environment:
Last Closed:	2020-01-21 01:38:55 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:	1768555, 1792192

Description Guilherme de Almeida Suckevicz 2019-11-04 17:32:22 UTC

This is an automatically created tracking bug!  It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.

For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.

For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs

When submitting as an update, use the fedpkg template provided in the next
comment(s).  This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.

Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.

NOTE: this issue affects multiple supported versions of Fedora. While only
one tracking bug has been filed, please correct all affected versions at
the same time.  If you need to fix the versions independent of each other,
you may clone this bug as appropriate.

Comment 1 Guilherme de Almeida Suckevicz 2019-11-04 17:32:24 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=high

# testing, stable
request=testing

# Bug numbers: 1234,9876
bugs=1768555,1768556

# 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 3 Eric Sandeen 2019-12-13 23:16:16 UTC

Patch exists upstream, fixed in 1.45.4

commit 8dbe7b475ec5e91ed767239f0e85880f416fc384
Author: Theodore Ts'o <tytso>
Date:   Sun Sep 1 00:59:16 2019 -0400

    libsupport: add checks to prevent buffer overrun bugs in quota code
    
    A maliciously corrupted file systems can trigger buffer overruns in
    the quota code used by e2fsck.  To fix this, add sanity checks to the
    quota header fields as well as to block number references in the quota
    tree.
    
    Addresses: CVE-2019-5094
    Addresses: TALOS-2019-0887
    Signed-off-by: Theodore Ts'o <tytso>

Comment 4 Fedora Update System 2020-01-16 16:40:13 UTC

FEDORA-2020-a724cc7926 has been submitted as an update to Fedora 31. https://bodhi.fedoraproject.org/updates/FEDORA-2020-a724cc7926

Comment 5 Fedora Update System 2020-01-16 21:40:03 UTC

e2fsprogs-1.45.5-1.fc31 has been pushed to the Fedora 31 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2020-a724cc7926

Comment 6 Fedora Update System 2020-01-21 01:38:55 UTC

e2fsprogs-1.45.5-1.fc31 has been pushed to the Fedora 31 stable repository. If problems still persist, please make note of it in this bug report.