QID 317395

QID 317395: Cisco Firepower Threat Defense (FTD) Software Secure Sockets Layer (SSL) and Snort 3 Detection Engine Bypass and Denial of Service (DoS) Vulnerability (cisco-sa-ftd-snort3-8U4HHxH8)

A vulnerability in the SSL/TLS certificate handling of Snort 3 Detection Engine integration with Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to restart.

Affected Products
Vulnerable versions are referred from the BugID CSCwb69096

This vulnerability affects Cisco products if they are running a vulnerable release of Cisco FTD Software configured with snort version 3

Note: This QID is not checking for Snort 3 status. Hence QID is kept as practice

Affected Products
From 6.7.0 prior to 7.0.6
From 7.2.0 prior to 7.2.1

QID Detection Logic (Authenticated):
This QID will check the version retrieved via Unix Auth using "show version" command.

A successful exploit could allow the attacker to cause the Snort 3 detection engine to reload, resulting in either a bypass or a denial of service (DoS) condition

CVSS V3 rated as Medium - 4 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Customers are advised to refer to cisco-sa-ftd-snort3-8U4HHxH8 for more information.

Vendor References

cisco-sa-ftd-snort3-8U4HHxH8 - sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-8U4HHxH8

CVEs related to QID 317395

CVE-2023-20031 |

Software Advisories

Advisory ID	Software	Component	Link
cisco-sa-ftd-snort3-8U4HHxH8			sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-8U4HHxH8

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