Vulnerability identifier: #VU62683
Vulnerability risk: High
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-770
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco Firepower Threat Defense (FTD)
Hardware solutions /
Security hardware applicances
Firepower 1000 Series Appliances
Hardware solutions /
Other hardware appliances
Firepower 2100 Series Security Appliance
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Cisco Firepower 4100 Series Next-Generation Firewall
Hardware solutions /
Firmware
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient memory management for certain Snort events. A remote attacker can send a specially crafted IP packet and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco Firepower Threat Defense (FTD): 6.2.2, 6.2.3, 6.3.0, 6.4.0, 6.5.0, 6.6.0, 6.7.0
Firepower 1000 Series Appliances: All versions
Firepower 2100 Series Security Appliance: All versions
Cisco Firepower 4100 Series Next-Generation Firewall: All versions
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort-dos-hd2hFgM
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.