CVE-2018-5441: Input Validation

Published Jan 30, 2018
·
Updated

An Improper Validation of Integrity Check Value issue was discovered in PHOENIX CONTACT mGuard firmware versions 7.2 to 8.6.0. mGuard devices rely on internal checksums for verification of the internal integrity of the update packages. Verification may not always be performed correctly, allowing an attacker to modify firmware update packages.

Affected Software

92 affected components
Phoenixcontact Mguard Centerport Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Centerport
Phoenixcontact Mguard Delta Tx\/tx Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Delta Tx\/tx
Phoenixcontact Mguard Delta Tx\/tx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Delta Tx\/tx Vpn
Phoenixcontact Mguard Gt\/gt Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Gt\/gt
Phoenixcontact Mguard Gt\/gt Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Gt\/gt Vpn
Phoenixcontact Mguard Pci4000 Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Pci4000 Vpn
Phoenixcontact Mguard Pcie4000 Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Pcie4000 Vpn
Phoenixcontact Mguard Rs2000 Tx\/tx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs2000 Tx\/tx Vpn
Phoenixcontact Mguard Rs2000 Tx\/tx-b Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs2000 Tx\/tx-b
Phoenixcontact Mguard Rs2005 Tx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs2005 Tx Vpn
Phoenixcontact Mguard Rs4000 Tx\/tx Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 Tx\/tx
Phoenixcontact Mguard Rs4000 Tx\/tx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 Tx\/tx Vpn
Phoenixcontact Mguard Rs4000 Tx\/tx Vpn-m Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 Tx\/tx Vpn-m
Phoenixcontact Mguard Rs4000 Tx\/tx-p Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 Tx\/tx-p
Phoenixcontact Mguard Rs4004 Tx\/dtx Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4004 Tx\/dtx
Phoenixcontact Mguard Rs4004 Tx\/dtx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4004 Tx\/dtx Vpn
Phoenixcontact Mguard Smart2 Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Smart2
Phoenixcontact Mguard Smart2 Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Smart2 Vpn
Phoenixcontact Mguard Rs2000 3g Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs2000 3g Vpn
Phoenixcontact Mguard Rs4000 3g Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 3g Vpn
Phoenixcontact Mguard Core Tx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Core Tx Vpn
Phoenixcontact Mguard Rs2000 4g Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs2000 4g Vpn
Phoenixcontact Mguard Rs4000 4g Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 4g Vpn
All of the following
Phoenixcontact Mguard Centerport Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Centerport
All of the following
Phoenixcontact Mguard Delta Tx\/tx Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Delta Tx\/tx
All of the following
Phoenixcontact Mguard Delta Tx\/tx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Delta Tx\/tx Vpn
All of the following
Phoenixcontact Mguard Gt\/gt Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Gt\/gt
All of the following
Phoenixcontact Mguard Gt\/gt Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Gt\/gt Vpn
All of the following
Phoenixcontact Mguard Pci4000 Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Pci4000 Vpn
All of the following
Phoenixcontact Mguard Pcie4000 Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Pcie4000 Vpn
All of the following
Phoenixcontact Mguard Rs2000 Tx\/tx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs2000 Tx\/tx Vpn
All of the following
Phoenixcontact Mguard Rs2000 Tx\/tx-b Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs2000 Tx\/tx-b
All of the following
Phoenixcontact Mguard Rs2005 Tx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs2005 Tx Vpn
All of the following
Phoenixcontact Mguard Rs4000 Tx\/tx Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 Tx\/tx
All of the following
Phoenixcontact Mguard Rs4000 Tx\/tx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 Tx\/tx Vpn
All of the following
Phoenixcontact Mguard Rs4000 Tx\/tx Vpn-m Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 Tx\/tx Vpn-m
All of the following
Phoenixcontact Mguard Rs4000 Tx\/tx-p Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 Tx\/tx-p
All of the following
Phoenixcontact Mguard Rs4004 Tx\/dtx Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4004 Tx\/dtx
All of the following
Phoenixcontact Mguard Rs4004 Tx\/dtx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4004 Tx\/dtx Vpn
All of the following
Phoenixcontact Mguard Smart2 Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Smart2
All of the following
Phoenixcontact Mguard Smart2 Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Smart2 Vpn
All of the following
Phoenixcontact Mguard Rs2000 3g Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs2000 3g Vpn
All of the following
Phoenixcontact Mguard Rs4000 3g Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 3g Vpn
All of the following
Phoenixcontact Mguard Core Tx Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Core Tx Vpn
All of the following
Phoenixcontact Mguard Rs2000 4g Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs2000 4g Vpn
All of the following
Phoenixcontact Mguard Rs4000 4g Vpn Firmware>=7.2.0<=8.6.0
Phoenixcontact Mguard Rs4000 4g Vpn

Event History

Jan 30, 2018
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
DescriptionWeakness
Data Sourced
via NVD·08:29 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2018-5441?

CVE-2018-5441 has been classified with a medium severity level due to the improper validation of integrity check values.

2

How do I fix CVE-2018-5441?

To mitigate CVE-2018-5441, update PHOENIX CONTACT mGuard firmware to versions beyond 8.6.0.

3

What devices are affected by CVE-2018-5441?

CVE-2018-5441 affects mGuard devices running firmware versions between 7.2.0 and 8.6.0.

4

Can CVE-2018-5441 be exploited remotely?

Yes, CVE-2018-5441 can potentially be exploited remotely due to flaws in the verification of update packages.

5

What is the impact of CVE-2018-5441 on device integrity?

CVE-2018-5441 may allow attackers to install unauthorized firmware updates, compromising device integrity.

Contact

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