ESB-2018.3463 - [RedHat] Red Hat Virtualization: Multiple vulnerabilities 2018-11-06

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             AUSCERT External Security Bulletin Redistribution

            Red Hat Virtualization security and bug fix update
                              6 November 2018


        AusCERT Security Bulletin Summary

Product:           redhat-release-virtualization-host
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 7
                   Red Hat Enterprise Linux WS/Desktop 7
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Create Arbitrary Files          -- Existing Account
                   Denial of Service               -- Existing Account
                   Access Confidential Data        -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-14661 CVE-2018-14660 CVE-2018-14659
                   CVE-2018-14654 CVE-2018-14653 CVE-2018-14652
                   CVE-2018-10930 CVE-2018-10929 CVE-2018-10928
                   CVE-2018-10927 CVE-2018-10926 CVE-2018-10923
                   CVE-2018-10914 CVE-2018-10913 CVE-2018-10911
                   CVE-2018-10907 CVE-2018-10904 CVE-2018-10873

Reference:         ESB-2018.3409

Original Bulletin:

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Hash: SHA256

                   Red Hat Security Advisory

Synopsis:          Moderate: Red Hat Virtualization security and bug fix update
Advisory ID:       RHSA-2018:3470-01
Product:           Red Hat Virtualization
Advisory URL:
Issue date:        2018-11-05
CVE Names:         CVE-2018-10858 CVE-2018-10873 CVE-2018-10904 
                   CVE-2018-10907 CVE-2018-10911 CVE-2018-10913 
                   CVE-2018-10914 CVE-2018-10923 CVE-2018-10926 
                   CVE-2018-10927 CVE-2018-10928 CVE-2018-10929 
                   CVE-2018-10930 CVE-2018-14652 CVE-2018-14653 
                   CVE-2018-14654 CVE-2018-14659 CVE-2018-14660 

1. Summary:

An update for imgbased, redhat-release-virtualization-host, and
redhat-virtualization-host is now available for Red Hat Virtualization 4
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:

RHEL 7-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64
Red Hat Virtualization 4 Hypervisor for RHEL 7 - noarch

3. Description:

The redhat-virtualization-host packages provide the Red Hat Virtualization
Host. These packages include redhat-release-virtualization-host,
ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are
installed using a special build of Red Hat Enterprise Linux with only the
packages required to host virtual machines. RHVH features a Cockpit user
interface for monitoring the host's resources and performing administrative

Security Fix(es):

* spice: Missing check in allows
for buffer overflow and denial of service (CVE-2018-10873)

* glusterfs: Multiple flaws (CVE-2018-10904, CVE-2018-10907,
CVE-2018-10923, CVE-2018-10926, CVE-2018-10927, CVE-2018-10928,
CVE-2018-10929, CVE-2018-10930, CVE-2018-10911, CVE-2018-10914,
CVE-2018-14652, CVE-2018-14653, CVE-2018-14654, CVE-2018-14659,
CVE-2018-14660, CVE-2018-14661, CVE-2018-10913)

* samba: Insufficient input validation in libsmbclient (CVE-2018-10858)

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.

Red Hat would like to thank Michael Hanselmann ( for reporting
CVE-2018-10904, CVE-2018-10907, CVE-2018-10923, CVE-2018-10926,
CVE-2018-10927, CVE-2018-10928, CVE-2018-10929, CVE-2018-10930,
CVE-2018-10911, CVE-2018-10914, CVE-2018-14652, CVE-2018-14653,
CVE-2018-14654, CVE-2018-14659, CVE-2018-14660, CVE-2018-14661, and
CVE-2018-10913. The CVE-2018-10873 issue was discovered by Frediano Ziglio
(Red Hat).

Bug Fix(es):

* When upgrading Red Hat Virtualization Host (RHVH), imgbased fails to run
garbage collection on previous layers, so new logical volumes are removed,
and the boot entry points to a logical volume that was removed.

If the RHVH upgrade finishes successfully, the hypervisor boots
successfully, even if garbage collection fails. (BZ#1632058)

* During the upgrade process, when lvremove runs garbage collection, it
prompts for user confirmation, causing the upgrade process to fail. Now the
process uses "lvremove --force" when trying to remove logical volumes and
does not fail even if garbage collection fails, and as a result, the
upgrade process finishes successfully. (BZ#1632585)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

5. Bugs fixed (

1501276 - RHVH 4.2 should include RHGS 3.4 Batch #1 packages
1593731 - [downstream clone - 4.2.7] Rpm verify fails for newly installed  libvirt-daemon-config-nwfilter  package .
1596008 - CVE-2018-10873 spice: Missing check in allows for buffer overflow and denial of service
1601298 - CVE-2018-10904 glusterfs: Unsanitized file names in debug/io-stats translator can allow remote attackers to execute arbitrary code
1601642 - CVE-2018-10907 glusterfs: Stack-based buffer overflow in server-rpc-fops.c allows remote attackers to execute arbitrary code
1601657 - CVE-2018-10911 glusterfs: Improper deserialization in dict.c:dict_unserialize() can allow attackers to read arbitrary memory
1607617 - CVE-2018-10914 glusterfs: remote denial of service of gluster volumes via posix_get_file_contents function in posix-helpers.c
1607618 - CVE-2018-10913 glusterfs:  Information Exposure in posix_get_file_contents function in posix-helpers.c
1610659 - CVE-2018-10923 glusterfs: I/O to arbitrary devices on storage server
1612658 - CVE-2018-10927 glusterfs: File status information leak and denial of service
1612659 - CVE-2018-10928 glusterfs: Improper resolution of symlinks allows for privilege escalation
1612660 - CVE-2018-10929 glusterfs: Arbitrary file creation on storage server allows for execution of arbitrary code
1612664 - CVE-2018-10930 glusterfs: Files can be renamed outside volume
1612805 - CVE-2018-10858 samba: Insufficient input validation in libsmbclient
1613143 - CVE-2018-10926 glusterfs: Device files can be created in arbitrary locations
1613231 - goferd errors in /var/log/messages of Red Hat Virtualization Host
1614971 - Upgrading RHV-H from 4.0.X to 4.2 is failing during migrate_var
1619590 - Rebase RHV-H on RHEL 7.6
1624453 - Host "hostname" moved to Non-Operational state as host does not meet the cluster's minimum CPU level. Missing CPU features : ssbd, spec_ctrl
1626960 - [el7.6]Network parameters IPv4/route/ovirtmgmt are missing during deploying Hosted-Engine
1631576 - CVE-2018-14654 glusterfs: "features/index" translator can create arbitrary, empty files
1632585 - lvremove command will fail if it asks for confirmation while removing old RHV-H layers
1632974 - CVE-2018-14652 glusterfs: Buffer overflow in "features/locks" translator allows for denial of service
1633431 - CVE-2018-14653 glusterfs: Heap-based buffer overflow via "gf_getspec_req" RPC message
1635926 - CVE-2018-14660 glusterfs: Repeat use of "GF_META_LOCK_KEY" xattr allows for memory exhaustion
1635929 - CVE-2018-14659 glusterfs: Unlimited file creation via "GF_XATTR_IOSTATS_DUMP_KEY" xattr allows for denial of service
1636880 - CVE-2018-14661 glusterfs: features/locks translator passes an user-controlled string to snprintf without a proper format string resulting in a denial of service

6. Package List:

Red Hat Virtualization 4 Hypervisor for RHEL 7:



RHEL 7-based RHEV-H for RHEV 4 (build requirements):




These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from

7. References:

8. Contact:

The Red Hat security contact is <>. More contact
details at

Copyright 2018 Red Hat, Inc.
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