CVE-2018-5441

Description

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.

Categories

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory securityfocus.com Third-Party Advisory vde.com Third-Party Advisory us-cert.gov
Affected: n/a PHOENIX CONTACT mGuard
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/102907 vdb entry third party advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-030-01 third party advisory us government resource
https://cert.vde.com/en-us/advisories/vde-2018-001 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2018-5441?
CVE-2018-5441 has been scored as a high severity vulnerability.
How to fix CVE-2018-5441?
To fix CVE-2018-5441, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5441 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-5441 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5441?
CVE-2018-5441 affects n/a PHOENIX CONTACT mGuard.
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