7.5high

CVE-2017-6658

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

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.1%
percentile 65%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.06% probability of exploitation in the next 30 days, higher than 65% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a Snort 3.0 All versions prior to build 233.

Classification

Weakness

References

  • securitytracker.com /id/1038483 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • blog.snort.org /2017/05/snort-vulnerabilities-found.html · x_refsource_CONFIRM, x_transferred
  • tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snort · Vendor Advisory

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.