CVE-2019-5171 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 Firmware version 03.02.02(14). An attacker can send specially crafted packet at 0x1ea48 to the extracted hostname value from the xml file that is used as an argument to /etc/config-tools/config_interfaces interface=X1 state=enabled ip-address=<contents of ip node> using sprintf().

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Wago	Pfc200 Firmware	03.02.02\(14\)
Wago	Pfc200	-

Related Weaknesses (CWE)

CWE-78

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0962ExploitTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0962ExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2019-5171?

CVE-2019-5171 is a vulnerability with a CVSS score of 7.8 (HIGH). An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 Firmware version 03.02.02(14). An attacker can send specially crafted packet at 0...

How severe is CVE-2019-5171?

CVE-2019-5171 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-5171?

Check the references section above for vendor advisories and patch information. Affected products include: Wago Pfc200 Firmware, Wago Pfc200.