VULNERABILITY INTELLIGENCE
CVE-2019-5182
CVSS score5.5 MEDIUM
EPSS probability0.53%
CISA KEVNot currently listed
Published2020-03-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 Firmware version 03.02.02(14). An attacker can send a specially crafted packet to trigger the parsing of this cache file.The destination buffer sp+0x440 is overflowed with the call to sprintf() for any type values that are greater than 1024-len(‘/etc/config-tools/config_interfaces interface=X1 state=enabled config-type=‘) in length. A type value of length 0x3d9 will cause the service to crash.
Weakness classification
- CWE-787: Out-of-bounds Write
Primary references
- talos-cna@cisco.com — Exploit, Mitigation, Technical Description, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mitigation, Technical Description, Third Party Advisory