Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2017-7549

Insecure Temporary File

Published: Sep 21, 2017 | Modified: Apr 20, 2025
CVSS 3.x
6.4
MEDIUM
Source:
NVD
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
CVSS 2.x
3.3 LOW
AV:L/AC:M/Au:N/C:P/I:P/A:N
RedHat/V2
RedHat/V3
6.1 MODERATE
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N
Ubuntu
Vulnerability-free packages from our partners
root.io logo minimus.io logo echo.ai logo
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2017-7549
CWEhttps://cwe.mitre.org/data/definitions/377.html

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

Creating and using insecure temporary files can leave application and system data vulnerable to attack.

Affected Software

NameVendorStart VersionEnd Version
Instack-undercloudOpenstack7.2.0 (including)7.2.0 (including)
Red Hat Enterprise Linux OpenStack Platform director 7.0 for RHEL 7RedHatinstack-undercloud-0:2.1.2-41.el7ost*
Red Hat OpenStack Platform 10.0 (Newton)RedHatinstack-undercloud-0:5.3.0-3.el7ost*
Red Hat OpenStack Platform 11.0 (Ocata)RedHatinstack-undercloud-0:6.1.0-3.el7ost*
Red Hat OpenStack Platform 8.0 (Liberty) directorRedHatinstack-undercloud-0:2.2.7-10.el7ost*
Red Hat OpenStack Platform 9.0 (Mitaka) directorRedHatinstack-undercloud-0:4.0.0-17.el7ost*

References

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2026 Aqua Security Software Ltd.   Privacy Policy | Terms of Use