Multiple vulnerabilities in FortiGate FortiOS



Published: 2019-07-28 | Updated: 2019-08-09
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2019-5591
CVE-2018-13367
CWE-ID CWE-285
CWE-200
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
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FortiOS
Operating systems & Components / Operating system

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

UPDATED: 09.08.2019

Added vulnerability #2, updated bulletin title.

1) Improper Authorization

EUVDB-ID: #VU19505

Risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2019-5591

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to impersonate LDAP server.

The vulnerability exists due to FortiOS does not check LDAP server identity by default. A remote attacker with ability to perform MitM attack can impersonate LDAP server and gain unauthorized access to network resources.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiOS: 6.0.0 - 6.2.0


CPE2.3 External links

http://fortiguard.com/psirt/FG-IR-19-037

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

2) Information disclosure

EUVDB-ID: #VU20012

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-13367

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to FortiOS WEB UI reveals version and other system information via JS files. A remote non-authenticated attacker can gain access to potentially sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiOS: 6.0.0 - 6.2.0


CPE2.3 External links

http://fortiguard.com/psirt/ FG-IR-18-173

Q & A

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.



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