CVE-2017-12300

Description

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.

Category

5.8
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory cisco.com
Affected: n/a Cisco Firepower System Software
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/101862 vdb entry third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-firepower2 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-12300?
CVE-2017-12300 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12300?
To fix CVE-2017-12300, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12300 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12300 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12300?
CVE-2017-12300 affects n/a Cisco Firepower System Software.
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