Resource exhaustion in Cisco IoT Field Network Director - CVE-2017-6780

Vulnerability identifier: #VU8159

CSH Severity: Low

CVSS v4.0: 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:Clear

CVE-ID: CVE-2017-6780

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Cisco Systems, Inc

Affected software:
Cisco IoT Field Network Director

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the TCP throttling process due to insufficient rate-limiting protection. A remote attacker can send a high rate of TCP packets to a specific group of open listening ports, trigger memory exhaustion and cause the system to restart.

Successful exploitation of the vulnerability results in denial of service.

Update to version 4.0(0.112).

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-fnd?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20IoT%20Field%20Network%20Director%20Memory%20Exhaustion%20Denial%20of%20Service%20Vulnerability&vs_k=1