CVE-2017-6658

high

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.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snort

http://www.securitytracker.com/id/1038483

http://blog.snort.org/2017/05/snort-vulnerabilities-found.html

Details

Source: Mitre, NVD

Published: 2017-05-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00468