#VU8699 Improper input validation in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2017-12244

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Main Vulnerability Database Vulnerabilities #VU8699

#VU8699 Improper input validation in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2017-12244

Published: October 5, 2017


Vulnerability identifier: #VU8699
Vulnerability risk: Medium
CVSSv4.0: 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:Green
CVE-ID: CVE-2017-12244
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)
Software vendor:
Cisco Systems, Inc

Description

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

The weakness exists due to improper input validation of the fields in the IPv6 extension header packet in the detection engine. A remote attacker can send a specially crafted IPv6 packet to the detection engine, trigger high CPU utilization and cause the Snort process to restart.

Successful exploitation of the vulnerability results in denial of service.


Remediation

The vulnerability is addressed in the following versions: 6.2.0.2 or 6.1.0.3.




External links