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AUSCERT External Security Bulletin Redistribution
ESB-2018.0564
Important: gcab security update
27 February 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: gcab
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-5345
Reference: ESB-2018.0261
ESB-2018.0259
Original Bulletin:
https://access.redhat.com/errata/RHSA-2018:0350
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Red Hat Security Advisory
Synopsis: Important: gcab security update
Advisory ID: RHSA-2018:0350-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0350
Issue date: 2018-02-26
CVE Names: CVE-2018-5345
=====================================================================
1. Summary:
An update for gcab is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Important. 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 ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode 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
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le
3. Description:
The gcab package contains a utility for managing the Cabinet archives. It
can list, extract, and create Microsoft cabinet (.cab) files.
Security Fix(es):
* gcab: Extracting malformed .cab files causes stack smashing potentially
leading to arbitrary code execution (CVE-2018-5345)
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/):
1527296 - CVE-2018-5345 gcab: Extracting malformed .cab files causes stack smashing potentially leading to arbitrary code execution
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
gcab-0.7-4.el7_4.src.rpm
x86_64:
gcab-debuginfo-0.7-4.el7_4.i686.rpm
gcab-debuginfo-0.7-4.el7_4.x86_64.rpm
libgcab1-0.7-4.el7_4.i686.rpm
libgcab1-0.7-4.el7_4.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
gcab-0.7-4.el7_4.x86_64.rpm
gcab-debuginfo-0.7-4.el7_4.i686.rpm
gcab-debuginfo-0.7-4.el7_4.x86_64.rpm
libgcab1-devel-0.7-4.el7_4.i686.rpm
libgcab1-devel-0.7-4.el7_4.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
gcab-0.7-4.el7_4.src.rpm
x86_64:
gcab-debuginfo-0.7-4.el7_4.i686.rpm
gcab-debuginfo-0.7-4.el7_4.x86_64.rpm
libgcab1-0.7-4.el7_4.i686.rpm
libgcab1-0.7-4.el7_4.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
gcab-0.7-4.el7_4.x86_64.rpm
gcab-debuginfo-0.7-4.el7_4.i686.rpm
gcab-debuginfo-0.7-4.el7_4.x86_64.rpm
libgcab1-devel-0.7-4.el7_4.i686.rpm
libgcab1-devel-0.7-4.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
gcab-0.7-4.el7_4.src.rpm
ppc64:
gcab-debuginfo-0.7-4.el7_4.ppc.rpm
gcab-debuginfo-0.7-4.el7_4.ppc64.rpm
libgcab1-0.7-4.el7_4.ppc.rpm
libgcab1-0.7-4.el7_4.ppc64.rpm
ppc64le:
gcab-debuginfo-0.7-4.el7_4.ppc64le.rpm
libgcab1-0.7-4.el7_4.ppc64le.rpm
s390x:
gcab-debuginfo-0.7-4.el7_4.s390.rpm
gcab-debuginfo-0.7-4.el7_4.s390x.rpm
libgcab1-0.7-4.el7_4.s390.rpm
libgcab1-0.7-4.el7_4.s390x.rpm
x86_64:
gcab-debuginfo-0.7-4.el7_4.i686.rpm
gcab-debuginfo-0.7-4.el7_4.x86_64.rpm
libgcab1-0.7-4.el7_4.i686.rpm
libgcab1-0.7-4.el7_4.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
gcab-0.7-4.el7_4.src.rpm
aarch64:
gcab-debuginfo-0.7-4.el7_4.aarch64.rpm
libgcab1-0.7-4.el7_4.aarch64.rpm
ppc64le:
gcab-debuginfo-0.7-4.el7_4.ppc64le.rpm
libgcab1-0.7-4.el7_4.ppc64le.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
gcab-0.7-4.el7_4.ppc64.rpm
gcab-debuginfo-0.7-4.el7_4.ppc.rpm
gcab-debuginfo-0.7-4.el7_4.ppc64.rpm
libgcab1-devel-0.7-4.el7_4.ppc.rpm
libgcab1-devel-0.7-4.el7_4.ppc64.rpm
ppc64le:
gcab-0.7-4.el7_4.ppc64le.rpm
gcab-debuginfo-0.7-4.el7_4.ppc64le.rpm
libgcab1-devel-0.7-4.el7_4.ppc64le.rpm
s390x:
gcab-0.7-4.el7_4.s390x.rpm
gcab-debuginfo-0.7-4.el7_4.s390.rpm
gcab-debuginfo-0.7-4.el7_4.s390x.rpm
libgcab1-devel-0.7-4.el7_4.s390.rpm
libgcab1-devel-0.7-4.el7_4.s390x.rpm
x86_64:
gcab-0.7-4.el7_4.x86_64.rpm
gcab-debuginfo-0.7-4.el7_4.i686.rpm
gcab-debuginfo-0.7-4.el7_4.x86_64.rpm
libgcab1-devel-0.7-4.el7_4.i686.rpm
libgcab1-devel-0.7-4.el7_4.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64:
gcab-0.7-4.el7_4.aarch64.rpm
gcab-debuginfo-0.7-4.el7_4.aarch64.rpm
libgcab1-devel-0.7-4.el7_4.aarch64.rpm
ppc64le:
gcab-0.7-4.el7_4.ppc64le.rpm
gcab-debuginfo-0.7-4.el7_4.ppc64le.rpm
libgcab1-devel-0.7-4.el7_4.ppc64le.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
gcab-0.7-4.el7_4.src.rpm
x86_64:
gcab-debuginfo-0.7-4.el7_4.i686.rpm
gcab-debuginfo-0.7-4.el7_4.x86_64.rpm
libgcab1-0.7-4.el7_4.i686.rpm
libgcab1-0.7-4.el7_4.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
gcab-0.7-4.el7_4.x86_64.rpm
gcab-debuginfo-0.7-4.el7_4.i686.rpm
gcab-debuginfo-0.7-4.el7_4.x86_64.rpm
libgcab1-devel-0.7-4.el7_4.i686.rpm
libgcab1-devel-0.7-4.el7_4.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-2018-5345
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2018 Red Hat, Inc.
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