Vulnerability in Openstack Instack-Undercloud
CVE-2017-7549
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.
EPSS: 0.004 (27.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N.
Affected products
- Openstack Instack-undercloud — versions 7.2.0, 6.1.0, 5.3.0
- Red Hat, Inc. Instack-undercloud — versions Pike, 12: v7.2.0, Ocata, 11: v6.1.0, Newton, 10: v5.3.0
- Redhat Openstack — versions 12, 11, 10
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-7549?
- CVE-2017-7549 is a medium-severity vulnerability in Openstack Instack-Undercloud, classified under Insecure Temporary File. CVSS score: 6.4/10. Published 2017-09-21.
- How severe is CVE-2017-7549?
- Medium severity. CVSS v3 base score is 6.4 out of 10.