PT-2019-17463 · Wago · Wago Pfc 200+1

Published 2019-12-18 · Updated 2021-07-21 · CVE-2019-5081

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12) WAGO PFC100 Firmware version 03.00.39(12)

Description A heap buffer overflow issue exists in the iocheckd service 'I/O-Chec' functionality. This can be triggered by a specially crafted set of packets, potentially resulting in code execution. An attacker can send unauthenticated packets to exploit this issue.

Recommendations For WAGO PFC 200 Firmware version 03.01.07(13), update to a version that fixes the iocheckd service 'I/O-Chec' functionality issue. For WAGO PFC 200 Firmware version 03.00.39(12), update to a version that fixes the iocheckd service 'I/O-Chec' functionality issue. For WAGO PFC100 Firmware version 03.00.39(12), update to a version that fixes the iocheckd service 'I/O-Chec' functionality issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-5081

Affected Products

Wago Pfc 200

Wago Pfc100

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2019-0874 · Exploit
• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2019-0873 · Exploit
• https://osv.dev/vulnerability/CVE-2019-5081 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-5081 · Security Note