Resource exhaustion in Cisco Firepower Management Center and Firepower 9300 Security Appliance

1) Resource exhaustion

EUVDB-ID: #VU21629

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-12700

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper resource management in the context of user session management. A remote authenticated attacker can connect to an affected system, perform many simultaneous successful Secure Shell (SSH) logins, trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC): 6.2.2 - 6.2.3

Cisco Firepower 9300 Security Appliance: before 2.2.2.120

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_firepower_management_center:6.2.3:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:cisco_firepower_9300_security_appliance:*:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191002-ftd-fpmc-dos

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.