CVE-2017-12300

5.8MEDIUM

Key Information:

Vendor
Cisco
Status
Cisco Firepower System Software
Vendor
CVE Published:
16 November 2017

Summary

A vulnerability in the SNORT detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass a file policy that is configured to block the Server Message Block Version 2 (SMB2) protocol. The vulnerability is due to the incorrect detection of an SMB2 file when the detection is based on the length of the file. An attacker could exploit this vulnerability by sending a crafted SMB2 transfer request through the targeted device. A successful exploit could allow the attacker to bypass filters that are configured to block SMB2 traffic. Cisco Bug IDs: CSCve58398.

Affected Version(s)

Cisco Firepower System Software Cisco Firepower System Software

References

http://www.securityfocus.com/bid/101862
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https://tools.cisco.com/security/center/content/CiscoSecu...
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CVSS V3.1

Score:
5.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.