CVE-2019-5075

CWE-787 — Out-of-bounds Write3 documents3 sources

Severity

9.8CRITICAL

EPSS

1.0%

top 23.57%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Wago PFC 100 Firmware Wago PFC 200 Firmware

Timeline

PublishedDec 18

Latest updateMay 24

Description

An exploitable stack buffer overflow vulnerability exists in the command line utility getcouplerdetails of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets sent to the iocheckd service "I/O-Check" can cause a stack buffer overflow in the sub-process getcouplerdetails, resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages4 packages

▶NVDwago/pfc_100_firmware03.00.39\(12\)

▶NVDwago/pfc_200_firmware03.00.39\(12\), 03.01.07\(13\)+1

▶CVEListV5wago_pfc100Firmware version 03.00.39(12)

▶CVEListV5wago_pfc200Firmware version 03.00.39(12), Firmware version 03.01.07(13)+1

🔴Vulnerability Details

GHSA

GHSA-8c7x-5xg2-cr7x: An exploitable stack buffer overflow vulnerability exists in the command line utility getcouplerdetails of WAGO PFC200 Firmware versions 03↗2022-05-24

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CVEList

CVE-2019-5075: An exploitable stack buffer overflow vulnerability exists in the command line utility getcouplerdetails of WAGO PFC200 Firmware versions 03↗2019-12-18

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