WAGO PFC200 Command Injection Vulnerability (CNVD-2020-16841)

The WAGO PFC200 is a programmable logic controller PLC from WAGO Germany. A command injection vulnerability exists in the iocheckd service 'I/O-Check' function of the WAGO PFC200 03.02.0214. An attacker can exploit this vulnerability to inject OS commands via specially crafted XML cache files...

CVE-2019-5181

CVE-2019-5181 affects WAGO PFC200 with the iocheckd service “I/O-Check.” A crafted cache file at /tmp/iocheckCache.xml is parsed by iocheckd, triggering stack-based buffer overflows via sscanf/sprintf usage in multiple config nodes (e.g., hostname, subnetmask, gateway, etc.). The root cause is un...

CVE-2019-5177

An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 Firmware version 03.02.0214. The destination buffer sp+0x440 is overflowed with the call to sprintf for any domainname values that are greater than...

CVE-2019-5176

An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 Firmware version 03.02.0214. An attacker can send a specially crafted packet to trigger the parsing of this cache file.The destination buffer sp+0x40 is...

CVE-2019-5176

CVE-2019-5176 affects WAGO PFC200, specifically the iocheckd service (I/O-Check) firmware 03.02.02(14). The issue is a stack buffer overflow when parsing a cache file (iocheckCache.xml) used by the iocheckd configuration protocol. Attackers can craft an XML cache file or gateway/hostname/domainna...

CVE-2019-5170

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 Firmware version 03.02.0214. 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...

CVE-2019-5169

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 Firmware version 03.02.0214. 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...

CVE-2019-5172

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 Firmware version 03.02.0214. An attacker can send a specially crafted packet to trigger the parsing of this cache file. At 0x1e840 the extracted ntp value from the xml file is us...

CVE-2019-5182

An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 Firmware version 03.02.0214. An attacker can send a specially crafted packet to trigger the parsing of this cache file.The destination buffer sp+0x440 is...

Stack overflow

An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 Firmware version 03.02.0214. An attacker can send a specially crafted packet to trigger the parsing of this cache file.The destination buffer sp+0x440 is...

Command injection

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 version 03.02.0214. An attacker can send a specially crafted XML cache file At 0x1e8a8 the extracted domainname value from the xml file is used as an argument to...

CVE-2019-5174

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 version 03.02.0214. 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...

CVE-2019-5172

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 Firmware version 03.02.0214. An attacker can send a specially crafted packet to trigger the parsing of this cache file. At 0x1e840 the extracted ntp value from the xml file is us...

CVE-2019-5173

CVE-2019-5173 affects WAGO PFC200 with the iocheckd service “I/O-Check”. A specially crafted XML cache file parsed by iocheckd (cache at /tmp/iocheckCache.xml) can inject OS commands, which are constructed via sprintf() from XML node contents and executed through system(). The TALOS report detail...

CVE-2019-5182

Affected software: WAGO PFC200 with iocheckd service “I/O-Check”. Vulnerability: stack-based buffer overflow in parsing the XML cache file used by iocheckCache.xml, triggered by crafted cache content (e.g., settings affecting hostname/name, etc.). Root cause: overlong input copied into a 1024-byt...

CVE-2019-5168

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 version 03.02.0214. An attacker can send a specially crafted XML cache file At 0x1e8a8 the extracted domainname value from the xml file is used as an argument to...

CVE-2019-5168

The CVE-2019-5168 issue affects WAGO PFC200 controllers (iocheckd “I/O-Check”) where parsing of iocheckCache.xml can inject OS commands. Specifically, the vulnerability arises when values from XML nodes (e.g., domain-name, dns, hostname, ip, gateway, etc.) are fed into sprintf() to build commands...

WAGO PFC200 iocheckd service "I/O-Check" cache Multiple Command Injection Vulnerabilities

Summary An exploitable command injection vulnerability exists in the iocheckd service “I/O-Check” function of the WAGO PFC 200. 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...

WAGO PFC200 iocheckd service "I/O-Check" cache gateway Memory Corruption Vulnerability

Summary An exploitable double free vulnerability exists in the iocheckd service “I/O-Check” functionality of WAGO PFC 200. A specially crafted XML cache file written to a specific location on the device can cause a heap pointer to be freed twice, resulting in a denial of service and potentially...

WAGO PFC200 iocheckd service "I/O-Check" cache Multiple Code Execution Vulnerabilities

Summary An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service “I/O-Check” functionality of WAGO PFC 200. A specially crafted XML cache file written to a specific location on the device can cause a stack buffer overflow, resulting in code execution. An...