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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2024-0192
Multiple Vulnerabilities in Fortinet Products

Original Issue Date:June 18, 2024

Severity Rating: HIGH

Software Affected

  • FortiOS 7.4.0 through 7.4.3
  • FortiOS 7.2.0 through 7.2.7
  • FortiOS 7.0.0 through 7.0.14
  • FortiOS 6.4 all versions
  • FortiOS 6.2 all versions
  • FortiOS 6.0 all versions
  • FortiPAM 1.3 Not affected
  • FortiPAM 1.2 1.2 all versions
  • FortiPAM 1.1 1.1 all versions
  • FortiPAM 1.0 1.0 all versions
  • FortiProxy versions 7.4.0 through 7.4.3
  • FortiProxy versions 7.2.0 through 7.2.9
  • FortiProxy versions 7.0.0 through 7.0.16
  • FortiProxy 2.0 all versions
  • FortiProxy 1.2 all versions
  • FortiProxy 1.1 all versions
  • FortiProxy 1.0 all versions
  • FortiSwitchManager 7.2.0 through 7.2.3
  • FortiSwitchManager 7.0.1 through 7.0.3
  • FortiClientLinux 7.4 7.4.0
  • FortiClientLinux 7.2 7.2.0 through 7.2.4
  • FortiClientLinux 7.0 7.0 all versions
  • FortiClientLinux 6.4 6.4 all versions
  • FortiClientMac 7.4.0
  • FortiClientMac 7.2.0 through 7.2.4
  • FortiClientMac 7.0 all versions
  • FortiClientMac 6.4 all versions
  • FortiClientWindows 7.4.0
  • FortiClientWindows 7.2.0 through 7.2.4
  • FortiClientWindows 7.0 all versions
  • FortiClientWindows 6.4 all versions
  • FortiOS 7.4.0 through 7.4.2
  • FortiOS 7.2.0 through 7.2.6
  • FortiOS 7.0.0 through 7.0.13
  • FortiOS 6.4.0 through 6.4.14
  • FortiOS 6.2.0 through 6.2.15

Overview

Multiple vulnerabilities have been reported in Fortinet products which could be exploited by an attacker to perform Man-in-the-Middle attacks, execute arbitrary code, and may result in complete compromise of the vulnerable system.

Description

1. Stack-based buffer overflow vulnerability ( CVE-2024-23110   )

This vulnerability exists due to a boundary error within the diag npu command. An attacker could exploit this vulnerability by sending specially crafted packets reaching the fgfmd daemon on the targeted system.
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code and may result in complete compromise of the vulnerable system.

2. Tunnel Vision vulnerability ( CVE-2024-3661   )

This vulnerability exists due to the way the VPN client handles routes advertised by the DHCP server. A remote attacker with access to the local network can route the victims traffic to a malicious server instead of sending it via a secured channel.
Successful exploitation of this vulnerability could allow a remote unauthenticated attacker to bypass the use of protected VPN tunnels and reroute VPN traffic by setting more specific routes than VPNs on target¿s routing table thereby allowing remote attacker to perform Man-in-the-Middle (MitM) attack.

3. Stack-based buffer overflow vulnerability ( CVE-2024-26010   )

This vulnerability exists due to a boundary error when processing specially crafted packets within the fgfmd daemon. An attacker could exploit this vulnerability by sending specially crafted packets and trigger a stack-based buffer overflow on the targeted system.
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code and may result in complete compromise of the vulnerable system.

Solution

Apply appropriate updates as mentioned in Fortinet advisories:
https://www.fortiguard.com/psirt/FG-IR-24-036

https://www.fortiguard.com/psirt/FG-IR-24-170

https://www.fortiguard.com/psirt/FG-IR-23-460

Vendor Information

Fortinet PSIRT
https://www.fortiguard.com/psirt/FG-IR-24-036
https://www.fortiguard.com/psirt/FG-IR-24-170
https://www.fortiguard.com/psirt/FG-IR-23-460

References

Fortinet PSIRT
https://fortiguard.fortinet.com/psirt

CVE Name
CVE-2024-23110
CVE-2024-3661
CVE-2024-26010

Disclaimer

The information provided herein is on "as is" basis, without warranty of any kind.

Contact Information

Email: info@cert-in.org.in
Phone: +91-11-22902657

Postal address

Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India

 
Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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