- Issued:
- 2017-09-12
- Updated:
- 2017-09-12
RHSA-2017:2687 - Security Advisory
Synopsis
Moderate: instack-undercloud security update
Type/Severity
Security Advisory: Moderate
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
Topic
An update for instack-undercloud is now available for Red Hat OpenStack Platform 8.0 (Liberty) director.
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.
Description
instack-undercloud provides a collection of scripts and elements that can be used to install an OpenStack undercloud (using python-instack).
Security Fix(es):
- A flaw was found in instack-undercloud where pre-install and security policy scripts used insecure temporary files. A local user could exploit this flaw to conduct a symbolic-link attack, allowing them to overwrite the contents of arbitrary files. (CVE-2017-7549)
This issue was discovered by Matthew Booth (Red Hat).
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
Affected Products
- Red Hat OpenStack 8 x86_64
Fixes
- BZ - 1324894 - Tuskar is not deprecated post upgrade [osp-8]
- BZ - 1477403 - CVE-2017-7549 instack-undercloud: uses hardcoded /tmp paths
CVEs
Red Hat OpenStack 8
SRPM | |
---|---|
instack-undercloud-2.2.7-10.el7ost.src.rpm | SHA-256: af0d0e307906ae25e0d7422bb4c530d4a81bfbba01a81759dcd763ef7fe96318 |
x86_64 | |
instack-undercloud-2.2.7-10.el7ost.noarch.rpm | SHA-256: be861629a84502c823c8a6b3bed9551a6913533cfc77ec87727a30a2ad3a69ab |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.