Vulnerability identifier: #VU55555
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-113
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FortiManager
Server applications /
IDS/IPS systems, Firewalls and proxy servers
FortiAnalyzer
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: Fortinet, Inc
Description
The vulnerability allows a remote user to perform HTTP splitting attacks.
The vulnerability exists due to software does not correctly processes CRLF character sequences in FortiManager and FortiAnalyzer GUI. A remote user can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.
Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
FortiManager: 7.0.0, 6.2.0 - 6.2.8, 6.4.0 - 6.4.6, 6.0.0 - 6.0.11, 5.6.0 - 5.6.11
FortiAnalyzer: 7.0.0, 6.2.0 - 6.2.8, 6.4.0 - 6.4.6, 6.0.0 - 6.0.11, 5.6.0 - 5.6.11
External links
http://www.fortiguard.com/psirt/FG-IR-21-063
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.