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CVE-2017-7549

nvd nist
Published: Sep 21, 2017Modified: May 13, 2026

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6.4
Vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Exploitability: 1.1 / Impact: 4.7
Source: NVD

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.

Affected (3)

Openstack
1 product
Instack Undercloud
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Instack Undercloud
Version 7.2.0
Running on/withPlatform Versions
Redhat
Openstack
Version 12
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Instack Undercloud
Version 6.1.0
Running on/withPlatform Versions
Redhat
Openstack
Version 11
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Instack Undercloud
Version 5.3.0
Running on/withPlatform Versions
Redhat
Openstack
Version 10

Related CWEs

CWE-377
Insecure Temporary File
Creating and using insecure temporary files can leave application and system data vulnerable to attack.
CWE-59
Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (14)

Source: secalert@redhat.com
Third Party AdvisoryVDB Entry
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Issue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingVendor Advisory

Timeline

No history available yet.