VULNERABILITY INTELLIGENCE

CVE-2017-7549

CVSS score6.4 MEDIUM
EPSS probability0.35%
CISA KEVNot currently listed
Published2017-09-21
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

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.

Weakness classification

  • CWE-59: Improper Link Resolution Before File Access ('Link Following')
  • CWE-377: Insecure Temporary File

Primary references