GitHub Advisoryadvisory · PyPI

GHSA-53wm-97p6-582f instack-undercloud vulnerable to symlink attack on tmp files

MEDIUM Published 2022-05-13 Modified 2026-06-05 Official page ↗
Aliases
CVE-2017-7549
Ecosystem
PyPI
Packages
instack-undercloud
Severity
Moderate
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Weaknesses
CWE-377, CWE-59
Reviewed
2024-04-22

Affected packages

• PyPI instack-undercloud: <= 7.2.0 (no fix yet)

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.

Related

Weakness · not in database (1)

Alias · CVE (1)

  • 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… vulnerability

Weakness · CWE (1)

  • CWE-59 Improper Link Resolution Before File Access weakness

References