SB2023110226 - Denial of service in Cisco Firepower Threat Defense (FTD) Software
Published: November 2, 2023
Security Bulletin ID
SB2023110226
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2023-20270)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error-checking in the interaction between the Server Message Block (SMB) protocol preprocessor and the Snort 3 detection engine. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.