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CVE-2017-6658

7.5 · HIGH

Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array.

Published May 16, 2017CWE-125EPSS 1.06%

Overview

CVE-2017-6658 is a high-severity vulnerability. It was published on May 16, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array. The size was off by one making it possible to read past the end of the array with an ether type of 0xFFFF. Increasing the array size solves this problem.

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

Refblog.snort.org/2017/05/snort-vulnerabilities-found.htmlRefwww.securitytracker.com/id/1038483Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snortRefblog.snort.org/2017/05/snort-vulnerabilities-found.htmlRefwww.securitytracker.com/id/1038483

How CyberStrike helps

Frequently asked questions

What is CVE-2017-6658?

CVE-2017-6658 is a high-severity vulnerability. It was published on May 16, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2017-6658?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-6658?

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-2017-6658?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-6658 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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