SB2018071016 - Denial of service in Windows FTP Server
Published: July 10, 2018
Security Bulletin ID
SB2018071016
CSH 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 vulnerability.
1) Improper input validation (CVE-ID: CVE-2018-8206)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to improper handling of File Transfer Protocol (FTP) connections. A remote attacker can send specially crafted packets to a Windows computer with the FTP Server role enabled that is accepting connections on TCP port 21 and cause a target system to stop responding.
Remediation
Install update from vendor's website.