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AUSCERT External Security Bulletin Redistribution
ESB-2017.0744
Moderate: libguestfs security and bug fix update
22 March 2017
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: libguestfs
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 6
Red Hat Enterprise Linux WS/Desktop 6
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2015-8869
Reference: ESB-2016.2594
ESB-2016.1590
Original Bulletin:
https://rhn.redhat.com/errata/RHSA-2017-0564.html
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Red Hat Security Advisory
Synopsis: Moderate: libguestfs security and bug fix update
Advisory ID: RHSA-2017:0564-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-0564.html
Issue date: 2017-03-21
CVE Names: CVE-2015-8869
=====================================================================
1. Summary:
An update for libguestfs is now available for Red Hat Enterprise Linux 6.
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 Desktop (v. 6) - x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - x86_64
Red Hat Enterprise Linux Workstation (v. 6) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64
3. Description:
The libguestfs packages contain a library, which is used for accessing and
modifying virtual machine (VM) disk images.
Security Fix(es):
* An integer conversion flaw was found in the way OCaml's String handled
its length. Certain operations on an excessively long String could trigger
a buffer overflow or result in an information leak. (CVE-2015-8869)
Note: The libguestfs packages in this advisory were rebuilt with a fixed
version of OCaml to address this issue.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 6.9 Release Notes and Red Hat Enterprise Linux 6.9
Technical Notes linked from 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/):
1319086 - libguestfs-java: mismatch class version vs java dependency
1332090 - CVE-2015-8869 ocaml: sizes arguments are sign-extended from 32 to 64 bits
1388407 - virt-sysprep will fail detecting OS if "/usr" is a distinct partition mounted in "/" via fstab
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
libguestfs-1.20.11-20.el6.src.rpm
x86_64:
libguestfs-1.20.11-20.el6.x86_64.rpm
libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm
libguestfs-java-1.20.11-20.el6.x86_64.rpm
libguestfs-tools-1.20.11-20.el6.x86_64.rpm
libguestfs-tools-c-1.20.11-20.el6.x86_64.rpm
perl-Sys-Guestfs-1.20.11-20.el6.x86_64.rpm
python-libguestfs-1.20.11-20.el6.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
x86_64:
libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm
libguestfs-devel-1.20.11-20.el6.x86_64.rpm
libguestfs-java-devel-1.20.11-20.el6.x86_64.rpm
libguestfs-javadoc-1.20.11-20.el6.x86_64.rpm
ocaml-libguestfs-1.20.11-20.el6.x86_64.rpm
ocaml-libguestfs-devel-1.20.11-20.el6.x86_64.rpm
ruby-libguestfs-1.20.11-20.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
libguestfs-1.20.11-20.el6.src.rpm
x86_64:
libguestfs-1.20.11-20.el6.x86_64.rpm
libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm
libguestfs-java-1.20.11-20.el6.x86_64.rpm
libguestfs-tools-1.20.11-20.el6.x86_64.rpm
libguestfs-tools-c-1.20.11-20.el6.x86_64.rpm
perl-Sys-Guestfs-1.20.11-20.el6.x86_64.rpm
python-libguestfs-1.20.11-20.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64:
libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm
libguestfs-devel-1.20.11-20.el6.x86_64.rpm
libguestfs-java-devel-1.20.11-20.el6.x86_64.rpm
libguestfs-javadoc-1.20.11-20.el6.x86_64.rpm
ocaml-libguestfs-1.20.11-20.el6.x86_64.rpm
ocaml-libguestfs-devel-1.20.11-20.el6.x86_64.rpm
ruby-libguestfs-1.20.11-20.el6.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
libguestfs-1.20.11-20.el6.src.rpm
x86_64:
libguestfs-1.20.11-20.el6.x86_64.rpm
libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm
libguestfs-java-1.20.11-20.el6.x86_64.rpm
libguestfs-tools-1.20.11-20.el6.x86_64.rpm
libguestfs-tools-c-1.20.11-20.el6.x86_64.rpm
perl-Sys-Guestfs-1.20.11-20.el6.x86_64.rpm
python-libguestfs-1.20.11-20.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
x86_64:
libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm
libguestfs-devel-1.20.11-20.el6.x86_64.rpm
libguestfs-java-devel-1.20.11-20.el6.x86_64.rpm
libguestfs-javadoc-1.20.11-20.el6.x86_64.rpm
ocaml-libguestfs-1.20.11-20.el6.x86_64.rpm
ocaml-libguestfs-devel-1.20.11-20.el6.x86_64.rpm
ruby-libguestfs-1.20.11-20.el6.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
libguestfs-1.20.11-20.el6.src.rpm
x86_64:
libguestfs-1.20.11-20.el6.x86_64.rpm
libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm
libguestfs-java-1.20.11-20.el6.x86_64.rpm
libguestfs-tools-1.20.11-20.el6.x86_64.rpm
libguestfs-tools-c-1.20.11-20.el6.x86_64.rpm
perl-Sys-Guestfs-1.20.11-20.el6.x86_64.rpm
python-libguestfs-1.20.11-20.el6.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
x86_64:
libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm
libguestfs-devel-1.20.11-20.el6.x86_64.rpm
libguestfs-java-devel-1.20.11-20.el6.x86_64.rpm
libguestfs-javadoc-1.20.11-20.el6.x86_64.rpm
ocaml-libguestfs-1.20.11-20.el6.x86_64.rpm
ocaml-libguestfs-devel-1.20.11-20.el6.x86_64.rpm
ruby-libguestfs-1.20.11-20.el6.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-2015-8869
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.9_Release_Notes/index.html
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.9_Technical_Notes/index.html
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2017 Red Hat, Inc.
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