What is the CVSS score of CVE-2017-7549?

CVE-2017-7549 has a CVSS 3.0 base score of 6.4 (Medium). CVSS vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N. EPSS exploitation probability: 0.1%.

Instack Undercloud CVE-2017-7549

MEDIUM

Insecure Temporary File (CWE-377)

2017-09-21 secalert@redhat.com

Red Hat Information Disclosure Instack Undercloud

6.4

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.4 MEDIUM

AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Sep 21, 2017 - 21:29 cve.org

MEDIUM 6.4

DescriptionCVE.org

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.

AnalysisAI

Technical ContextAI

This vulnerability is classified under CWE-377. 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 products include: Openstack Instack-Undercloud.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.