Low Privileged User Can Read and Write Files as Root Due to Improper Neutralization of Special Elements in mGuard Devices
CVE-2024-43387

8.8HIGH

Key Information:

Vendor

Phoenix Contact

Status
Fl Mguard 2102
Fl Mguard 2105
Fl Mguard 4102 Pci
Fl Mguard 4102 Pcie
Vendor
CVE Published:
10 September 2024

What is CVE-2024-43387?

A security vulnerability in mGuard devices arises from improper handling of input related to the EMAIL_RELAY_PASSWORD variable. This flaw enables low privileged remote attackers to execute unauthorized read and write operations on files, potentially compromising the integrity and confidentiality of the device. This issue highlights the importance of robust input validation mechanisms to prevent exploitation and protect sensitive information.

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Affected Version(s)

FL MGUARD 2102 0 < 10.4.1

FL MGUARD 2105 0 < 10.4.1

FL MGUARD 4102 PCI 0 < 10.4.1

References

https://cert.vde.com/en/advisories/VDE-2024-039

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Andrea Palanca
Nozomi Networks Security Research Team
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