CVE-2017-6658

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.47%
Vendor Advisory cisco.com
Affected: n/a Snort 3.0 All versions prior to build 233.
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1038483 vdb entry
http://blog.snort.org/2017/05/snort-vulnerabilities-found.html third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snort vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-6658?
CVE-2017-6658 has been scored as a high severity vulnerability.
How to fix CVE-2017-6658?
To fix CVE-2017-6658, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6658 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-6658 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-6658?
CVE-2017-6658 affects n/a Snort 3.0 All versions prior to build 233..
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