CVE-2017-7549

Description

A flaw was found in instack-undercloud 7.2.0 as packaged in Red Hat OpenStack Platform Pike, 6.1.0 as packaged in Red Hat OpenStack Platform Oacta, 5.3.0 as packaged in Red Hat OpenStack Newton, 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.

Categories

6.4
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat, Inc. instack-undercloud
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2017:2726 vendor advisory
http://www.securityfocus.com/bid/100407 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:2649 vendor advisory
https://access.redhat.com/errata/RHSA-2017:2687 vendor advisory
https://access.redhat.com/errata/RHSA-2017:2557 vendor advisory
https://access.redhat.com/errata/RHSA-2017:2693 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1477403 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-7549?
CVE-2017-7549 has been scored as a medium severity vulnerability.
How to fix CVE-2017-7549?
To fix CVE-2017-7549, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7549 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7549 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7549?
CVE-2017-7549 affects Red Hat, Inc. instack-undercloud.
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