CVE-2017-7549 Information

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 Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

Reference

http://www.securityfocus.com/bid/100407 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=1477403

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

LOW

Base Score

NONE

Base Severity

6.4