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Red Hat: RHSA-2018:2626-01 Important: Directory Traversal Risk

red hat
Calendar Grey September 4, 2018
Scroller Redhat
Oracle VM Server for x86 security enhancement resolves critical vulnerabilities and issues to bolster system integrity.
An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7

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

Summary

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 tasks.
The ovirt-node-ng 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 tasks.
Security Fix(es):
* yum-utils: reposync: improper path validation may lead to directory traversal (CVE-2018-10897)
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 Jay Grizzard (Clover Network) and Aaron Levy (Clover Network) for reporting this issue.
Bug fix:
* This update rebases imgbased to version 1.0.24. This update fixes the issue with removing broken symlinks when synchronizing layers. (BZ#1598781) (BZ#1622025)

Topics%20covered

Topics Covered

security advisory bug fix directory traversal important red hat virtualization

References

https://access.redhat.com/security/cve/CVE-2018-10897 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Virtualization 4 Hypervisor for RHEL 7:
Source: redhat-virtualization-host-4.2-20180828.2.el7_5.src.rpm
noarch: redhat-virtualization-host-image-update-4.2-20180828.2.el7_5.noarch.rpm
RHEL 7-based RHEV-H for RHEV 4 (build requirements):
Source: imgbased-1.0.24-1.el7ev.src.rpm redhat-release-virtualization-host-4.2-6.0.el7.src.rpm
noarch: imgbased-1.0.24-1.el7ev.noarch.rpm python-imgbased-1.0.24-1.el7ev.noarch.rpm redhat-virtualization-host-image-update-placeholder-4.2-6.0.el7.noarch.rpm
x86_64: redhat-release-virtualization-host-4.2-6.0.el7.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/


Severity
important
Lowest
Low
Medium
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Critical

Advisory ID: RHSA-2018:2626-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2626
Issue date: 2018-09-04

Topic

An update for redhat-virtualization-host is now available for Red HatVirtualization 4 for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory bug fix directory traversal important red hat virtualization

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

Bugs Fixed

1598781 - Upgrading RHV-H is bringing back libvirt network file which causes issues in starting of VM

1600221 - CVE-2018-10897 yum-utils: reposync: improper path validation may lead to directory traversal

1616254 - [Tracker] RHV-H tracker for RHVH 4.2.6

1622025 - Upgrade imgbased to 1.0.24

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