Vulnerability Spotlight: EIP Stack Group OpENer information disclosure vulnerability

Martin Zeiser of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an exploitable information disclosure vulnerability in EIP Stack Group OpENer’s Ethernet/IP UDP handler. OpENer is an Ethernet/IP stack for I/O adapter devices that... This is only the...

CVE-2021-21777

An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read...

CVE-2021-21777

An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read...

Information disclosure

An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read...

CVE-2021-21777

CVE-2021-21777 affects OpENer’s EIP Stack Group UDP handler. The vulnerability arises in the Ethernet/IP UDP path for OpENer 2.3 and the development commit 8c73bf3, where an integer/length handling bug in the UDP processing flow enables an out-of-bounds read. Specifically, a crafted UDP request c...

EIP Stack Group OpENer Ethernet/IP UDP handler information disclosure vulnerability

Summary An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read. Tested Versions EIP Stack Group OpENer 2.3 EIP Stack Group OpENe...

CVE-2020-13530

A denial-of-service vulnerability exists in the Ethernet/IP server functionality of the EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A large number of network requests in a small span of time can cause the running program to stop. An attacker can send a sequence of requests to trigg...

CVE-2020-13556

An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this...

CVE-2020-13530

A denial-of-service vulnerability exists in the Ethernet/IP server functionality of the EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A large number of network requests in a small span of time can cause the running program to stop. An attacker can send a sequence of requests to trigg...

CVE-2020-13556

An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this...

Denial of service

A denial-of-service vulnerability exists in the Ethernet/IP server functionality of the EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A large number of network requests in a small span of time can cause the running program to stop. An attacker can send a sequence of requests to trigg...

CVE-2020-13530

A denial-of-service vulnerability exists in the Ethernet/IP server functionality of the EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A large number of network requests in a small span of time can cause the running program to stop. An attacker can send a sequence of requests to trigg...

CVE-2020-13530

OpENer Ethernet/IP stack (2.3 and development commit 8c73bf3) is affected by a denial-of-service condition. Overloading the server with a high rate of network requests triggers a SIGPIPE when replying to a closed socket, causing the process to terminate. The vulnerability is triggered by a sequen...

CVE-2020-13556

An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this...

CVE-2020-13556

The CVE-2020-13556 entry concerns the OpENer EtherNet/IP stack. A vulnerability in OpENer 2.3 and the development commit 8c73bf3 arises from an out-of-bounds write in the Ethernet/IP server, specifically CreateCommonPacketFormatStructure, where the item_count from an ENIP packet drives a loop wri...

EIP Stack Group OpENer Ethernet/IP server out-of-bounds write vulnerability

Summary An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this...

EIP Stack Group OpENer ethernet/IP server denial-of-service vulnerability

Summary A denial-of-service vulnerability exists in the Ethernet/IP server functionality of the EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A large number of network requests in a small span of time can cause the running program to stop. An attacker can send a sequence of requests ...