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.
References (7)
Core 7
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2726
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/100407
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2649
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2687
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2557
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2693
Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1477403
Scores
CVSS v3
6.4
EPSS
0.0035
EPSS Percentile
26.3%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Details
CWE
CWE-377
CWE-59
Status
published
Products (5)
openstack/instack-undercloud
7.2.0
openstack/instack-undercloud
6.1.0
openstack/instack-undercloud
5.3.0
pypi/instack-undercloud
0 - 7.2.0PyPI
Red Hat, Inc./instack-undercloud
Pike, 12: v7.2.0, Ocata, 11: v6.1.0, Newton, 10: v5.3.0
Published
Sep 21, 2017
Tracked Since
Feb 18, 2026