1178 matches found
OSV-2023-137 Heap-buffer-overflow in OT::Layout::Common::Coverage::get_population
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56510 Crash type: Heap-buffer-overflow READ 1 Crash state: OT::Layout::Common::Coverage::getpopulation OT::Layout::GPOSimpl::SinglePosFormat1::sanitize hbsanitizecontextt::returnt OT::Layout::GPOSimpl::PosLookupSubTable::dispa...
Schneider Electric Modicon M221 Programmable Logic Controller Small Space of Random Values (CVE-2020-7566)
A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 all references, all versions that could allow the attacker to break the encryption keys when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller. This plugin onl...
Schneider Electric Modicon Insufficient Verification of Data Authenticity (CVE-2020-7487)
A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218, M241, M251, and M258 controllers. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...
Schneider Electric EcoStruxure Machine Expert Injection (CVE-2020-7489)
A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component 'Injection' vulnerability exists on EcoStruxure Machine Expert Basic or SoMachine Basic programming software versions in security notification. The result of this vulnerability, DLL substitution, could...
Siemens SCALANCE X-200RNA Switch Devices Improper Encoding or Escaping of Output (CVE-2019-6109)
An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server or Man-in-The- Middle attacker can employ crafted object names to manipulate the client output, e.g., by using ANSI control codes to hide additional files being transferred. This...
Wago PFC200 iocheckd service 'I/O-Check' cache Command Injection (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 use...
Wago PFC100/200 Web-Based Management Authentication Timing Information Disclosure (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...
WAGO I/O-CHECK Buffer Access with Incorrect Length Value (CVE-2019-5075)
An exploitable stack buffer overflow vulnerability exists in the command line utility getcouplerdetails of WAGO PFC200 Firmware versions 03.01.0713 and 03.00.3912, and WAGO PFC100 Firmware version 03.00.3912. A specially crafted set of packets sent to the iocheckd service I/O-Check can cause a...
Wago PFC200 iocheckd service 'I/O-Check' cache Command Injection (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...
Wago PFC200 iocheckd service 'I/O-Check' cache Code Execution (CVE-2019-5179)
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. This plugin only works with Tenable.ot...
Wago PFC200 iocheckd service 'I/O-Check' cache Code Execution (CVE-2019-5178)
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...
The High Cost of Human Error In OT Systems
In baseball, a mistake made by a player that could have easily been avoided is sometimes called an “unforced error.” An unforced error is not an official error that is, they are not reflected in statistics, however, they can result in additional runs being scored, runners getting on base, and eve...
Phoenix Contact PLC Cycle Time Influences Uncontrolled Resource Consumption (CVE-2019-10953)
ABB, Phoenix Contact, Schneider Electric, Siemens, WAGO - Programmable Logic Controllers, multiple versions. Researchers have found some controllers are susceptible to a denial-of-service attack due to a flood of network packets. This plugin only works with Tenable.ot. Please visit...
Phoenix Contact Classic Line Controllers Insufficient Verification of Data Authenticity (CVE-2022-31800)
An unauthenticated, remote attacker could upload malicious logic to devices based on ProConOS/ProConOS eCLR in order to gain full control over the device. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C...
Phoenix Contact ILC PLCs Improper Authentication (CVE-2016-8380)
The web server in Phoenix Contact ILC PLCs allows access to read and write PLC variables without authentication. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if...
OSV-2023-27 Heap-buffer-overflow in OT::Layout::GPOS_impl::PairSet<OT::Layout::MediumTypes>::apply
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55287 Crash type: Heap-buffer-overflow READ 1 Crash state: OT::Layout::GPOSimpl::PairSet::apply OT::Layout::GPOSimpl::PairPosFormat13::apply bool OT::hbacceleratesubtablescontextt::applytoOT::Layout::GPOSimpl::Pair...
Cyber Signals: Risks to critical infrastructure on the rise
Today, the third edition of Cyber Signals was released spotlighting security trends and insights gathered from Microsoft’s 43 trillion daily security signals and 8,500 security experts. In this edition, we share new insights on wider risks that converging IT, Internet of Things IoT, and operation...
3 New Vulnerabilities Affect OT Products from German Companies Festo and CODESYS
Researchers have disclosed details of three new security vulnerabilities affecting operational technology OT products from CODESYS and Festo that could lead to source code tampering and denial-of-service DoS. The vulnerabilities, reported by Forescout Vedere Labs, are the latest in a long list of...
Over a Dozen New BMC Firmware Flaws Expose OT and IoT Devices to Remote Attacks
Over a dozen security flaws have been discovered in baseboard management controller BMC firmware from Lanner that could expose operational technology OT and internet of things IoT networks to remote attacks. BMC refers to a specialized service processor, a system-on-chip SoC, that's found in serv...
OSV-2022-1212 Heap-buffer-overflow in OT::hb_ot_apply_context_t::skipping_iterator_t::next
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53722 Crash type: Heap-buffer-overflow READ 4 Crash state: OT::hbotapplycontextt::skippingiteratort::next bool OT::matchinput bool OT::contextapplylookup...