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…
Does this matter?
Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 6.4 MEDIUMCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
- EPSS
- 0.35% probability · 28th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-377, CWE-59
- Affected
- openstack/instack-undercloud
- Source
- secalert@redhat.com
References
- http://www.securityfocus.com/bid/100407Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2557
- https://access.redhat.com/errata/RHSA-2017:2649
- https://access.redhat.com/errata/RHSA-2017:2687
- https://access.redhat.com/errata/RHSA-2017:2693
- https://access.redhat.com/errata/RHSA-2017:2726
- https://bugzilla.redhat.com/show_bug.cgi?id=1477403Issue Tracking, Vendor Advisory
- http://www.securityfocus.com/bid/100407Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2557
- https://access.redhat.com/errata/RHSA-2017:2649
- https://access.redhat.com/errata/RHSA-2017:2687
- https://access.redhat.com/errata/RHSA-2017:2693
- https://access.redhat.com/errata/RHSA-2017:2726
- https://bugzilla.redhat.com/show_bug.cgi?id=1477403Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.