CVE-2018-5441 Other in PHOENIX CONTACT mGuard
Attackers can modify firmware update packages due to improper integrity checks, potentially leading to unauthorized code execution on PHOENIX CONTACT mGuard devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-5441?
CVE-2018-5441 is a high-severity vulnerability in PHOENIX CONTACT mGuard, published on 30 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2018-5441?
It affects 23 products.
Products include Phoenixcontact Mguard Centerport Firmware, Phoenixcontact Mguard Core Tx Vpn Firmware, Phoenixcontact Mguard Delta Tx\/Tx Firmware, Phoenixcontact Mguard Delta Tx\/Tx Vpn Firmware, Phoenixcontact Mguard Gt\/Gt Firmware, Phoenixcontact Mguard Gt\/Gt Vpn Firmware and 17 more.
How do I fix CVE-2018-5441?
No fix has been published for CVE-2018-5441 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-5441 being exploited?
There is no known exploitation of CVE-2018-5441 in the wild and no public exploit code.
Sources
Also known as GHSA-xgqm-f6fc-576h.