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CVE-2017-12332

4.4 · MEDIUM

A vulnerability in Cisco NX-OS System Software patch installation could allow an authenticated, local attacker to write a file to arbitrary locations.

Published Nov 30, 2017CWE-434EPSS 0.33%

Overview

CVE-2017-12332 is a medium-severity vulnerability. It was published on November 30, 2017 and has a CVSS 3.0 base score of 4.4 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A vulnerability in Cisco NX-OS System Software patch installation could allow an authenticated, local attacker to write a file to arbitrary locations. The vulnerability is due to insufficient restrictions in the patch installation process. An attacker could exploit this vulnerability by installing a crafted patch image on an affected device. The vulnerable operation occurs prior to patch activation. An exploit could allow the attacker to write arbitrary files on an affected system as root. The attacker would need valid administrator credentials to perform this exploit. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 2000 Series Fabric Extenders, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Unified Computing System Manager. Cisco Bug IDs: CSCvf16513, CSCvf23794, CSCvf23832.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/102160Refwww.securitytracker.com/id/1039931Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos1Refwww.securityfocus.com/bid/102160Refwww.securitytracker.com/id/1039931Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos1

How CyberStrike helps

Frequently asked questions

What is CVE-2017-12332?

CVE-2017-12332 is a medium-severity vulnerability. It was published on November 30, 2017 and has a CVSS 3.0 base score of 4.4 (MEDIUM).

How severe is CVE-2017-12332?

This vulnerability has a CVSS 3.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-12332?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-12332?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-12332 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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