Beware the Bytes: AutomationDirect PLC Vulnerabilities Exposed, Update Now!

Not even PLCs are safe from the cyber boogeymen! AutomationDirect’s processors are facing a vulnerability variety show, with out-of-bounds encores, and unauthorized access intermissions. Patch up before hackers RSVP to your network party! 🛡️💻🎉 #CybersecurityChaos #AutomationDirectVulnerabilities

Hot Take:

Well, if you thought your PLC was just innocently automating your processes, think again! It’s party time for hackers with a smorgasbord of vulnerabilities to exploit! With a buffet of buffer overflows and a side dish of debug disasters, it’s a full-course meal for cyber mischief. Let’s strap on our cybersecurity bibs and dive into this hot mess, shall we?

Key Points:

  • AutomationDirect’s Productivity PLCs are serving up a platter of vulnerabilities including, but not limited to, buffer overflows and improper access control. Yum!
  • The vulnerabilities have a veritable cornucopia of CVSS scores, with a few hitting a spicy 9.3 out of 10 on the heat scale.
  • These issues are like an all-you-can-eat buffet for hackers, with potential remote code execution and denial of service on the menu.
  • AutomationDirect recommends updating your software and firmware, but also suggests the digital equivalent of locking your snacks in a safe to avoid unwanted nibbling.
  • CISA is the party planner here, providing guidelines for damage control and recommending that users practice safe surfing and email etiquette to avoid phishing and social engineering scams.
Cve id: CVE-2024-22187
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/29/2024
Cve description: A write-what-where vulnerability exists in the Programming Software Connection Remote Memory Diagnostics functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to an arbitrary write. An attacker can send an unauthenticated packet to trigger this vulnerability.

Cve id: CVE-2024-21785
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/29/2024
Cve description: A leftover debug code vulnerability exists in the Telnet Diagnostic Interface functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted series of network requests can lead to unauthorized access. An attacker can send a sequence of requests to trigger this vulnerability.

Cve id: CVE-2024-24962
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/28/2024
Cve description: A stack-based buffer overflow vulnerability exists in the Programming Software Connection FileSelect functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to stack-based buffer overflow. An attacker can send an unauthenticated packet to trigger this vulnerability.This CVE tracks the stack-based buffer overflow that occurs at offset `0xb6e98` of v1.2.10.9 of the P3-550E firmware.

Cve id: CVE-2024-24947
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/29/2024
Cve description: A heap-based buffer overflow vulnerability exists in the Programming Software Connection CurrDir functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to denial of service. An attacker can send an unauthenticated packet to trigger these vulnerability.This CVE tracks the heap corruption that occurs at offset `0xb68c4` of version 1.2.10.9 of the P3-550E firmware, which occurs when a call to `memset` relies on an attacker-controlled length value and corrupts any trailing heap allocations.

Cve id: CVE-2024-24946
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/29/2024
Cve description: A heap-based buffer overflow vulnerability exists in the Programming Software Connection CurrDir functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to denial of service. An attacker can send an unauthenticated packet to trigger these vulnerability.This CVE tracks the heap corruption that occurs at offset `0xb686c` of version 1.2.10.9 of the P3-550E firmware, which occurs when a call to `memset` relies on an attacker-controlled length value and corrupts any trailing heap allocations.

Cve id: CVE-2024-24954
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/28/2024
Cve description: Several out-of-bounds write vulnerabilities exist in the Programming Software Connection FileSystem API functionality of AutomationDirect P3-550E 1.2.10.9. Specially crafted network packets can lead to heap-based memory corruption. An attacker can send malicious packets to trigger these vulnerabilities.This CVE tracks the arbitrary null-byte write vulnerability located in firmware 1.2.10.9 of the P3-550E at offset `0xb69c8`.

Cve id: CVE-2024-24957
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/28/2024
Cve description: Several out-of-bounds write vulnerabilities exist in the Programming Software Connection FileSystem API functionality of AutomationDirect P3-550E 1.2.10.9. Specially crafted network packets can lead to heap-based memory corruption. An attacker can send malicious packets to trigger these vulnerabilities.This CVE tracks the arbitrary null-byte write vulnerability located in firmware 1.2.10.9 of the P3-550E at offset `0xb6aa4`.

Cve id: CVE-2024-24963
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/28/2024
Cve description: A stack-based buffer overflow vulnerability exists in the Programming Software Connection FileSelect functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to stack-based buffer overflow. An attacker can send an unauthenticated packet to trigger this vulnerability.This CVE tracks the stack-based buffer overflow that occurs at offset `0xb6e84` of v1.2.10.9 of the P3-550E firmware.

Cve id: CVE-2024-24956
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/28/2024
Cve description: Several out-of-bounds write vulnerabilities exist in the Programming Software Connection FileSystem API functionality of AutomationDirect P3-550E 1.2.10.9. Specially crafted network packets can lead to heap-based memory corruption. An attacker can send malicious packets to trigger these vulnerabilities.This CVE tracks the arbitrary null-byte write vulnerability located in firmware 1.2.10.9 of the P3-550E at offset `0xb6a38`.

Cve id: CVE-2024-24958
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/28/2024
Cve description: Several out-of-bounds write vulnerabilities exist in the Programming Software Connection FileSystem API functionality of AutomationDirect P3-550E 1.2.10.9. Specially crafted network packets can lead to heap-based memory corruption. An attacker can send malicious packets to trigger these vulnerabilities.This CVE tracks the arbitrary null-byte write vulnerability located in firmware 1.2.10.9 of the P3-550E at offset `0xb6bdc`.

Cve id: CVE-2024-23315
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/29/2024
Cve description: A read-what-where vulnerability exists in the Programming Software Connection IMM 01A1 Memory Read functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to a disclosure of sensitive information. An attacker can send an unauthenticated packet to trigger this vulnerability.

Cve id: CVE-2024-23601
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/29/2024
Cve description: A code injection vulnerability exists in the scan_lib.bin functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted scan_lib.bin can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

Cve id: CVE-2024-24959
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/28/2024
Cve description: Several out-of-bounds write vulnerabilities exist in the Programming Software Connection FileSystem API functionality of AutomationDirect P3-550E 1.2.10.9. Specially crafted network packets can lead to heap-based memory corruption. An attacker can send malicious packets to trigger these vulnerabilities.This CVE tracks the arbitrary null-byte write vulnerability located in firmware 1.2.10.9 of the P3-550E at offset `0xb6c18`.

Cve id: CVE-2024-24851
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/29/2024
Cve description: A heap-based buffer overflow vulnerability exists in the Programming Software Connection FiBurn functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to a buffer overflow. An attacker can send an unauthenticated packet to trigger this vulnerability.

Cve id: CVE-2024-24955
Cve state: PUBLISHED
Cve assigner short name: talos
Cve date updated: 05/28/2024
Cve description: Several out-of-bounds write vulnerabilities exist in the Programming Software Connection FileSystem API functionality of AutomationDirect P3-550E 1.2.10.9. Specially crafted network packets can lead to heap-based memory corruption. An attacker can send malicious packets to trigger these vulnerabilities.This CVE tracks the arbitrary null-byte write vulnerability located in firmware 1.2.10.9 of the P3-550E at offset `0xb69fc`.

Need to know more?

The Who, What, and How of PLC Party Crashers

For those not in the know, PLC stands for Programmable Logic Controller, and it's basically the brain of industrial automation. Imagine if that brain suddenly got a mind of its own because someone decided to tweak it remotely. That's what we're dealing with here. A whole host of Productivity PLC models from AutomationDirect are vulnerable to a variety of cyberattacks, making them potentially the worst party guests in your industrial automation shindig.

Rating the Mayhem

Let's talk about the severity of these vulnerabilities. We've got CVSS scores that make cybersecurity experts sweat, with some hitting 9.3 out of 10. That's like saying your kitchen's on fire but you're still trying to bake cookies. And just for reference, these scores are calculated based on how easy it is for attackers to exploit the vulnerabilities and how much damage they could do. So yeah, pretty serious stuff.

Cyber Buffet: A Hacker's Dream

With categories like "Buffer Access with Incorrect Length Value" and "Active Debug Code," it's like a hacker's version of an all-you-can-eat buffet. There's something for every taste, whether you prefer a heap-based buffer overflow with your coffee or a side of arbitrary code execution with your tea.

The Fix Is In

AutomationDirect isn't just standing by while their PLCs turn into a cybercrime rave. They recommend updating to the latest software and firmware versions faster than you can say, "Is my industrial control system secure?" But they also suggest that maybe, just maybe, you shouldn't have your PLCs connected to every network and their mother.

CISA's Cybersecurity Party Favors

And then there's CISA, the cybersecurity equivalent of that friend who comes to your party and reminds everyone to drink water and not text their ex. They're offering up best practices like using VPNs, keeping your control systems off the internet, and reminding everyone that clicking on random email links is the cyber equivalent of double-dipping in the salsa. They also have a whole library of resources that are the cybersecurity version of a cookbook, so you can whip up some robust defense strategies in no time.

Social Engineering: The Unwanted Party Trick

Last but not least, CISA also wants you to be aware of social engineering – because nothing ruins a good party like someone tricking you into revealing your passwords or downloading a virus. They're like, "Hey, be smart and don't fall for that fake prince who needs money to unlock his kingdom's treasures." Common sense, but worth repeating.

And there you have it, folks! It's a wild world out there in PLC land, so stay safe, keep your firmware fresh, and maybe don't invite hackers to your next automation shindig.

Tags: AutomationDirect, buffer overflow, Code Injection, CVSS Scores, Network Security, PLC vulnerabilities, vulnerability mitigation