PT-2017-17223 · Cisco · Cisco Sourcefire Snort

Published 2017-05-16 · Updated 2019-10-03 · CVE-2017-6658

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Sourcefire Snort version 3.0 before build 233

Description The issue is related to a Buffer Overread due to the use of a decoder array. The array size was off by one, making it possible to read past the end of the array with an ether type of 0xFFFF.

Recommendations For Cisco Sourcefire Snort version 3.0 before build 233, increasing the array size solves this problem.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2017-6658

Affected Products

Cisco Sourcefire Snort

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2017-6658 · Security Note
• https://osv.dev/vulnerability/CVE-2017-6658 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snort · Vendor Advisory
• http://blog.snort.org/2017/05/snort-vulnerabilities-found.html · Note
• http://securitytracker.com/id/1038483 · Note