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AUSCERT External Security Bulletin Redistribution
ESB-2018.2881
Moderate: flatpak security update
26 September 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: flatpak
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Linux variants
Impact/Access: Provide Misleading Information -- Existing Account
Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-6560
Original Bulletin:
https://access.redhat.com/errata/RHSA-2018:2766
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running flatpak check for an updated version of the software for
their operating system.
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=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: flatpak security update
Advisory ID: RHSA-2018:2766-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2766
Issue date: 2018-09-25
CVE Names: CVE-2018-6560
=====================================================================
1. Summary:
An update for flatpak is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x
3. Description:
Flatpak is a system for building, distributing, and running sandboxed
desktop applications on Linux.
Security Fix(es):
* flatpak: sandbox escape in D-Bus filtering by a crafted authentication
handshake (CVE-2018-6560)
For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1542207 - CVE-2018-6560 flatpak: sandbox escape in D-Bus filtering by a crafted authentication handshake
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
flatpak-0.8.8-4.el7_5.src.rpm
x86_64:
flatpak-0.8.8-4.el7_5.x86_64.rpm
flatpak-debuginfo-0.8.8-4.el7_5.x86_64.rpm
flatpak-libs-0.8.8-4.el7_5.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
flatpak-builder-0.8.8-4.el7_5.x86_64.rpm
flatpak-debuginfo-0.8.8-4.el7_5.x86_64.rpm
flatpak-devel-0.8.8-4.el7_5.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
flatpak-0.8.8-4.el7_5.src.rpm
ppc64:
flatpak-0.8.8-4.el7_5.ppc64.rpm
flatpak-debuginfo-0.8.8-4.el7_5.ppc64.rpm
flatpak-libs-0.8.8-4.el7_5.ppc64.rpm
ppc64le:
flatpak-0.8.8-4.el7_5.ppc64le.rpm
flatpak-debuginfo-0.8.8-4.el7_5.ppc64le.rpm
flatpak-libs-0.8.8-4.el7_5.ppc64le.rpm
s390x:
flatpak-0.8.8-4.el7_5.s390x.rpm
flatpak-debuginfo-0.8.8-4.el7_5.s390x.rpm
flatpak-libs-0.8.8-4.el7_5.s390x.rpm
x86_64:
flatpak-0.8.8-4.el7_5.x86_64.rpm
flatpak-debuginfo-0.8.8-4.el7_5.x86_64.rpm
flatpak-libs-0.8.8-4.el7_5.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
flatpak-0.8.8-4.el7_5.src.rpm
aarch64:
flatpak-0.8.8-4.el7_5.aarch64.rpm
flatpak-debuginfo-0.8.8-4.el7_5.aarch64.rpm
flatpak-libs-0.8.8-4.el7_5.aarch64.rpm
ppc64le:
flatpak-0.8.8-4.el7_5.ppc64le.rpm
flatpak-debuginfo-0.8.8-4.el7_5.ppc64le.rpm
flatpak-libs-0.8.8-4.el7_5.ppc64le.rpm
s390x:
flatpak-0.8.8-4.el7_5.s390x.rpm
flatpak-debuginfo-0.8.8-4.el7_5.s390x.rpm
flatpak-libs-0.8.8-4.el7_5.s390x.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
flatpak-builder-0.8.8-4.el7_5.ppc64.rpm
flatpak-debuginfo-0.8.8-4.el7_5.ppc64.rpm
flatpak-devel-0.8.8-4.el7_5.ppc64.rpm
ppc64le:
flatpak-builder-0.8.8-4.el7_5.ppc64le.rpm
flatpak-debuginfo-0.8.8-4.el7_5.ppc64le.rpm
flatpak-devel-0.8.8-4.el7_5.ppc64le.rpm
s390x:
flatpak-builder-0.8.8-4.el7_5.s390x.rpm
flatpak-debuginfo-0.8.8-4.el7_5.s390x.rpm
flatpak-devel-0.8.8-4.el7_5.s390x.rpm
x86_64:
flatpak-builder-0.8.8-4.el7_5.x86_64.rpm
flatpak-debuginfo-0.8.8-4.el7_5.x86_64.rpm
flatpak-devel-0.8.8-4.el7_5.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64:
flatpak-builder-0.8.8-4.el7_5.aarch64.rpm
flatpak-debuginfo-0.8.8-4.el7_5.aarch64.rpm
flatpak-devel-0.8.8-4.el7_5.aarch64.rpm
ppc64le:
flatpak-builder-0.8.8-4.el7_5.ppc64le.rpm
flatpak-debuginfo-0.8.8-4.el7_5.ppc64le.rpm
flatpak-devel-0.8.8-4.el7_5.ppc64le.rpm
s390x:
flatpak-builder-0.8.8-4.el7_5.s390x.rpm
flatpak-debuginfo-0.8.8-4.el7_5.s390x.rpm
flatpak-devel-0.8.8-4.el7_5.s390x.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
flatpak-0.8.8-4.el7_5.src.rpm
x86_64:
flatpak-0.8.8-4.el7_5.x86_64.rpm
flatpak-debuginfo-0.8.8-4.el7_5.x86_64.rpm
flatpak-libs-0.8.8-4.el7_5.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
flatpak-builder-0.8.8-4.el7_5.x86_64.rpm
flatpak-debuginfo-0.8.8-4.el7_5.x86_64.rpm
flatpak-devel-0.8.8-4.el7_5.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2018-6560
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
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