CVE-2019-5176

2020-03-1123:24:58

talos

www.cve.org

6.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.8%

JSON

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+0x40 is overflowed with the call to sprintf() for any gateway values that are greater than 512-len(‘/etc/config-tools/config_default_gateway number=0 state=enabled value=‘) in length. A gateway value of length 0x7e2 will cause the service to crash.

CNA Affected

[
  {
    "product": "WAGO PFC200",
    "vendor": "Wago",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware version 03.02.02(14)"
      }
    ]
  }
]

References

talosintelligence.com/vulnerability_reports/TALOS-2019-0963