Vulnerability identifier: #VU27600
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco Adaptive Security Appliance (ASA)
Hardware solutions /
Security hardware applicances
Cisco Firepower Threat Defense (FTD)
Hardware solutions /
Security hardware applicances
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in the Open Shortest Path First (OSPF) implementation. A remote attacker can send specially crafted OSPF packets in a short period of time, trigger out-of-bounds read error and cause a denial of service condition on the target system.
Mitigation
Vendor recommends to update the Cisco FTD Software Release to version 6.2.3.16 (June 2020), 6.3.0.6 (future release), 6.4.0.9 (May 2020) and 6.5.0.5 (future release).
Vulnerable software versions
Cisco Adaptive Security Appliance (ASA): 9.5 - 9.13
Cisco Firepower Threat Defense (FTD): 6.2.3, 6.3.0, 6.4.0, 6.5.0
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-ospf-dos-RhMQY8qx
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.