Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-7549

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
21/09/2017
Last modified:
20/04/2025

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.

Impact

Vector 3.x
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.40 MEDIUM
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): Low
Availability (A): None

Base Score 3.x
6.40
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:M/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.30 LOW
Vector: AV:L/AC:M/Au:N/C:P/I:P/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0
3.30
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:openstack:instack-undercloud:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack:12:*:*:*:*:*:*:*
cpe:2.3:a:openstack:instack-undercloud:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:*
cpe:2.3:a:openstack:instack-undercloud:5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools