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). A specially crafted XML cache file written to a specific location on the device can be used to inject OS commands. An attacker can send a specially crafted packet to trigger the parsing of this cache file.At 0x1ea28 the extracted type value from the xml file is used as an argument to /etc/config-tools/config_interfaces interface=X1 state=enabled config-type=<contents of type node> using sprintf(). This command is later executed via a call to system().
References
Link | Resource |
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https://talosintelligence.com/vulnerability_reports/TALOS-2019-0962 | Exploit Mitigation Technical Description Third Party Advisory |
Configurations
Configuration 1 (hide)
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Information
Published : 2020-03-11 16:15
Updated : 2020-03-17 11:11
NVD link : CVE-2019-5175
Mitre link : CVE-2019-5175
JSON object : View
CWE
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Products Affected
wago
- pfc200_firmware
- pfc200