Active Exploitation of F5 BIG-IP iControl REST CVE-2022-1388

On May 4, 2022, F5 released an advisory listing several vulnerabilities, including CVE-2022-1388, a critical authentication bypass that leads to remote code execution in iControl REST with a CVSSv3 base score of 9.8. The vulnerability affects several different versions of BIG-IP prior to 17.0.0,...

Critical TLStorm 2.0 Bugs Affect Widely-Used Aruba and Avaya Network Switches

Cybersecurity researchers have detailed as many as five severe security flaws in the implementation of TLS protocol in several models of Aruba and Avaya network switches that could be abused to gain remote access to enterprise networks and steal valuable information. The findings follow the March...

Schneider Electric Uncontrolled Search Path Element in embedded Rockwell Automation ISaGRAF5 Runtime (CVE-2020-25182)

Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x searches for and loads DLLs as dynamic libraries. Uncontrolled loading of dynamic libraries could allow a local, unauthenticated attacker to execute arbitrary code. This vulnerability only affects ISaGRAF Runtime when running on Microsoft...

Rockwell Automation ISaGRAF5 Runtime Cleartext Transmission of Sensitive Information (CVE-2020-25178)

ISaGRAF Workbench communicates with Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x using TCP/IP. This communication protocol provides various file system operations, as well as the uploading of applications. Data is transferred over this protocol unencrypted, which could allow a remote...

Rockwell Automation ISaGRAF5 Runtime Uncontrolled Search Path Element (CVE-2020-25182)

Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x searches for and loads DLLs as dynamic libraries. Uncontrolled loading of dynamic libraries could allow a local, unauthenticated attacker to execute arbitrary code. This vulnerability only affects ISaGRAF Runtime when running on Microsoft...

Schneider Electric Cleartext Transmission of Sensitive Information in embedded Rockwell Automation ISaGRAF5 Runtime (CVE-2020-25178)

ISaGRAF Workbench communicates with Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x using TCP/IP. This communication protocol provides various file system operations, as well as the uploading of applications. Data is transferred over this protocol unencrypted, which could allow a remote...

Skeletons in the Closet: Security 101 Takes a Backseat to 0-days

Rarely a month goes by without the infosec industry being plagued by a new zero-day apocalypse. Most recently in December 2021, the world was swept by a series of vulnerabilities in Log4J – a popular logging system used by thousands of systems around the world. While writing this article, the...

The reality of OT segregation

One of the areas I find most fascinating about industrial control systems and related operational technology is the perception that OT networks are segregated and isolated from the wider IT network. We’re often told that “IT and OT are totally separated” as there’s a genuine belief that OT is...

Tactics, Techniques, and Procedures of Indicted State-Sponsored Russian Cyber Actors Targeting the Energy Sector

Summary Actions to Take Today to Protect Energy Sector Networks: • Implement and ensure robust network segmentation between IT and ICS networks. • Enforce MFA to authenticate to a system. • Manage the creation of, modification of, use of—and permissions associated with—privileged accounts. This...

Rockwell Automation 1794-AENT Flex I/O Series B Buffer Copy Without Checking Size of Input (CVE-2020-6083)

An exploitable denial of service vulnerability exists in the ENIP Request Path Port Segment functionality of Allen- Bradley Flex IO 1794-AENT/B. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious...

Schneider Electric Modicon Controllers Use of Insufficiently Random Values (CVE-2019-6821)

CWE-330: Use of Insufficiently Random Values vulnerability, which could cause the hijacking of the TCP connection when using Ethernet communication in Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum. This plugin only works...

Schneider Electric Web Server on Modicon M340 Out-of-Bounds Read (CVE-2020-7562)

A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules see notification for details which could cause a segmentation fault or a buffer overflow when uploading a specially crafted file ...

Schneider Electric Web Server on Modicon M340 Out-of-Bounds Write (CVE-2020-7563)

A CWE-787: Out-of-bounds Write vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules see notification for details which could cause corruption of data, a crash, or code execution when uploading a specially crafted...

Rootkit found in HPE iLO environments

Security researchers at AmnPardaz have published an investigation published about a rootkit found in HPE iLO systems. The malware, called "iLOBleed," was used, among other things, to to wipe a system's hard drives. Because the iLO subsystem has exceptionally high privileges, compromising it means...

Critical Wormable Security Flaw Found in Several HP Printer Models

Cybersecurity researchers on Tuesday disclosed eight-year-old security flaws affecting 150 different multifunction printers MFPs from HP Inc that could be potentially abused by an adversary to take control of vulnerable devices, pilfer sensitive information, and infiltrate enterprise networks to...

Hackers Targeting Biomanufacturing Facilities With Tardigrade Malware

An advanced persistent threat APT has been linked to cyberattacks on two biomanufacturing companies that occurred this year with the help of a custom malware loader called "Tardigrade." That's according to an advisory published by Bioeconomy Information Sharing and Analysis Center BIO-ISAC this...

U.S., U.K. and Australia Warn of Iranian Hackers Exploiting Microsoft, Fortinet Flaws

Cybersecurity agencies from Australia, the U.K., and the U.S. on Wednesday released a joint advisory warning of active exploitation of Fortinet and Microsoft Exchange ProxyShell vulnerabilities by Iranian state-sponsored actors to gain initial access to vulnerable systems for follow-on activities...

Top 10 Cybersecurity Best Practices to Combat Ransomware

If you’re like most IT professionals, the threat of a ransomware attack might keep you up at night. And you have a valid reason to worry — ransomware doesn’t discriminate. Organizations across every industry, public or private, are potential victims, if they haven’t been victims already. In fact,...

Invest in These 3 Key Security Technologies to Fight Ransomware

A recent survey by Fortinet revealed that two-thirds of organizations had been the target of at least one ransomware attack – and 85 percent are more concerned about a ransomware attack than any other form of cyberattack. And, the evolving threat landscape is cited as one of the top challenges in...

Protect yourself from BlackMatter ransomware: Advice issued

Despite promises made by the BlackMatter ransomware gang about which organizations and business types they would avoid, multiple US critical infrastructure entities have been targeted. Now, the Federal Bureau of Investigation FBI, in conjunction with the Cybersecurity and Infrastructure Security...