Vulnerability identifier: #VU29202
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-406
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FortiAnalyzer
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: Fortinet, Inc
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an insufficient control of network message volume. A remote attacker can send specially crafted mode 6 queries to the FortiAnalyzer built-in NTP server, perform NTP amplification attacks and cause a denial of service condition on the target system.
Note: This vulnerability affects only models that support FortiRecorder management:
Mitigation
Install updates from vendor's website.
Vulnerable software versions
FortiAnalyzer: 6.4.0, 6.2.0 - 6.2.3, 6.0.0 - 6.0.1, 5.6.0 - 5.6.5, 5.4.0 - 5.4.5, 5.2.0 - 5.2.10, 5.0.0 - 5.0.13
External links
http://fortiguard.com/psirt/FG-IR-20-036
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.