CVE-2019-5159

An exploitable improper input validation vulnerability exists in the firmware update functionality of WAGO e!COCKPIT automation software v1.6.0.7. A specially crafted firmware update file can allow an attacker to write arbitrary files to arbitrary locations on WAGO controllers as a part of...

CVE-2019-5160

The CVE-2019-5160 issue affects WAGO PFC200 firmware (03.02.02(14), 03.01.07(13), 03.00.39(12)) via the Cloud Connectivity service. A crafted authenticated HTTPS POST can cause the device to connect to an attacker‑controlled Azure IoT Hub, enabling unauthorized access to the firmware update funct...

CVE-2019-5160

An exploitable improper host validation vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 Firmware versions 03.02.0214, 03.01.0713, and 03.00.3912. A specially crafted HTTPS POST request can cause the software to connect to an unauthorized host, resulting in unauthorized...

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...

CVE-2019-5167

CVE-2019-5167 affects WAGO PFC200 controllers with the iocheckd service “I/O-Check.” The TALOS report details a command-injection path in the iocheckd cache parsing: a DNS/XML cache entry is read, assembled via sprintf into a command such as /etc/config-tools/edit_dns_server …, and then executed ...

CVE-2019-5167

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 version 03.02.0214. At 0x1e3f0 the extracted dns value from the xml file is used as an argument to /etc/config-tools/editdnsserver %s dns-server-nr=%d dns-server-name= using...

CVE-2019-5166

CVE-2019-5166 affects the WAGO PFC200 controller, specifically the iocheckd service’s IC/“I/O-Check” functionality. A stack-based buffer overflow occurs while parsing a DNS value embedded in the cached XML file /tmp/iocheckCache.xml, exploitable via a crafted DNS parameter during a BC_SaveParamet...

CVE-2019-5166

An exploitable stack buffer overflow vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 version 03.02.0214. 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 attack...

CVE-2019-5135

An exploitable timing discrepancy vulnerability exists in the authentication functionality of the Web-Based Management WBM web application on WAGO PFC100/200 controllers. The WBM application makes use of the PHP crypt function which can be exploited to disclose hashed user credentials. This affec...

CVE-2019-5135

WAGO PFC100/200 Web-Based Management (WBM) authentication timing information disclosure (CVE-2019-5135) is detailed in the TALOS entry. The vulnerability resides in the WBM login routine where the PHP crypt() function is used to generate a password hash for comparison, allowing an attacker to inf...

CVE-2019-5149

The CVE-2019-5149 issue affects WAGO PFC100 and PFC2000 devices running WBM over a lighttpd server with FastCGI. The default mod_fastcgi configuration limits concurrent php-cgi processes to two (min-procs 1, max-procs 2), enabling an attacker to exhaust resources and cause a denial of service of ...

CVE-2019-5155

CVE-2019-5155 affects WAGO PFC200 controllers with the Cloud Connectivity service. The vulnerability is a command-injection flaw in the firmware update handling: unvalidated parameter values in the Firmware Update command can be used to run OS commands via system() as the iot user. Affected firmw...

CVE-2019-5155

An exploitable command injection vulnerability exists in the cloud connectivity feature of WAGO PFC200. An attacker can inject operating system commands into any of the parameter values contained in the firmware update command. This affects WAGO PFC200 Firmware version 03.02.0214, version...

WAGO PFC 200 Buffer Overflow Vulnerability (CNVD-2020-16629)

The WAGO PFC 200 is a programmable logic controller PLC from the German company WAGO. A buffer overflow vulnerability exists in the I/O-Check function of the iocheckd service in the WAGO PFC 200. An attacker can exploit this vulnerability to cause a denial of service or possibly execute code with...

WAGO PFC 200 Buffer Overflow Vulnerability (CNVD-2020-16628)

The WAGO PFC 200 is a programmable logic controller PLC from the German company WAGO. A buffer overflow vulnerability exists in the I/O-Check function of the iocheckd service in the WAGO PFC 200. An attacker can exploit this vulnerability to cause a denial of service or possibly execute code with...

Vulnerability Spotlight: WAGO products contain remote code execution, other vulnerabilities

Patrick DeSantis, Carl Hurd, Kelly Leuschner and Lilith --; of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered several vulnerabilities in multiple products from the company WAGO. WAGO produces a line of automation software called “e!COCKPIT,” an...

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 Cloud Connectivity TimeoutPrepared Command Injection Vulnerability

Summary An exploitable command injection vulnerability exists in the cloud connectivity functionality of WAGO PFC200. An attacker can inject operating system commands into the TimeoutPrepared parameter value contained in the firmware update command. Tested Versions WAGO PFC200 Firmware version...

WAGO PFC200 iocheckd service "I/O-Check" cache Multiple Memory Corruption 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 a denial of service an...