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 (3)
Core 3
Core References
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snort
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1038483
Third Party Advisory x_refsource_confirm
http://blog.snort.org/2017/05/snort-vulnerabilities-found.html
Scores
CVSS v3
7.5
EPSS
0.0047
EPSS Percentile
64.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (2)
cisco/sourcefire_snort
3.0
n/a/Snort 3.0 All versions prior to build 233.
Snort 3.0 All versions prior to build 233.
Published
May 16, 2017
Tracked Since
Feb 18, 2026