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CVE-2017-12278

6.3 · MEDIUM

A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco Wireless LAN Controllers could allow an authenticated, remote attacker to cause an affected device to restart, re…

Published Nov 2, 2017CWE-119EPSS 1.61%

Overview

CVE-2017-12278 is a medium-severity vulnerability. It was published on November 2, 2017 and has a CVSS 3.0 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco Wireless LAN Controllers could allow an authenticated, remote attacker to cause an affected device to restart, resulting in a denial of service (DoS) condition. The vulnerability is due to a memory leak that occurs on an affected device after the device fails to deallocate a buffer that is used when certain MIBs are polled. An attacker who knows the SNMP Version 2 SNMP Read string or has valid SNMP Version 3 credentials for an affected device could repeatedly poll the affected MIB object IDs (OIDs) and consume available memory on the device. When memory is sufficiently depleted on the device, the device will restart, resulting in a DoS condition. Cisco Bug IDs: CSCvc71674.

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/101642Refwww.securitytracker.com/id/1039712Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-wlc1Refwww.securityfocus.com/bid/101642Refwww.securitytracker.com/id/1039712Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-wlc1

How CyberStrike helps

Frequently asked questions

What is CVE-2017-12278?

CVE-2017-12278 is a medium-severity vulnerability. It was published on November 2, 2017 and has a CVSS 3.0 base score of 6.3 (MEDIUM).

How severe is CVE-2017-12278?

This vulnerability has a CVSS 3.0 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-12278?

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-2017-12278?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-12278 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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