Insights

CISA, FBI, and MS-ISAC Update Joint CSA on Progress Telerik Vulnerabilities

Today, CISA, the Federal Bureau of Investigation (FBI), and Multi-State Information Sharing and Analysis Center (MS-ISAC) released an update for joint Cybersecurity Advisory (CSA) Threat Actors Exploit Progress Telerik Vulnerability in U.S. Government IIS Server.  This iteration of the CSA—now renamed Threat Actors Exploit Progress Telerik Vulnerabilities in Multiple U.S. Government IIS Servers—is based on the forensic analysis and identified exploitation of CVE-2017-9248 at an additional FCEB agency. Activity identified at this agency is separate…

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Barracuda Networks Releases Update to Address ESG Vulnerability

Barracuda Networks has released an update to their advisory addressing a vulnerability—CVE-2023-2868—in their Email Security Gateway Appliance (ESG). According to Barracuda, customers should replace impacted appliances immediately.  CISA urges organizations to review the Barracuda advisory and for all impacted customers to follow the mitigation steps as well as hunt for the listed indicators of compromise (IOCs) to uncover any malicious activity. For more information, see Mandiant’s advisory on Barracuda ESG Zero-Day Vulnerability (CVE-2023-2868) Exploited Globally…

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CISA Releases Fourteen Industrial Control Systems Advisories

CISA released fourteen Industrial Control Systems (ICS) advisories on June 15, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS.  ICSA-23-166-01 SUBNET PowerSYSTEM Center ICSA-23-166-02 Advantech WebAccessSCADA ICSA-23-166-03 Siemens SICAM Q200 Devices ICSA-23-166-04 Siemens SIMOTION ICSA-23-166-05 Siemens SIMATIC WinCC ICSA-23-166-06 Siemens TIA Portal ICSA-23-166-07 Siemens SIMATIC WinCC V7 ICSA-23-166-08 Siemens SIMATIC STEP 7 and Derived Products ICSA-23-166-09 Siemens Solid Edge ICSA-23-166-10 Siemens SIMATIC S7-1500 TM MFP BIOS ICSA-23-166-11 Siemens…

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Progress Software Releases Security Advisory for MOVEit Transfer Vulnerability

Progress Software has released a security advisory for a privilege escalation vulnerability (CVE-2023-35708) in MOVEit Transfer—a Managed File Transfer Software. A cyber threat actor could exploit this vulnerability to take control of an affected system. CISA urges users and organizations to review the MOVEit Transfer advisory, follow the mitigation steps, and apply the necessary updates when available.

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CISA and Partners Release Joint Advisory on Understanding Ransomware Threat Actors: LockBit

Today, CISA, the Federal Bureau of Investigation (FBI), the Multi-State Information Sharing and Analysis Center (MS-ISAC), and international partners released Understanding Ransomware Threat Actors: LockBit, a joint Cybersecurity Advisory (CSA) to help organizations understand and defend against threat actors using LockBit, the most globally used and prolific Ransomware-as-a-Service (RaaS) in 2022 and 2023. This guide is a comprehensive resource detailing the observed common vulnerabilities and exposures (CVEs) exploited, as well as the tools, and tactics,…

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CISA and NSA Release Joint Guidance on Hardening Baseboard Management Controllers (BMCs)

Today, CISA, together with the National Security Agency (NSA), released a Cybersecurity Information Sheet (CSI), highlighting threats to Baseboard Management Controller (BMC) implementations and detailing actions organizations can use to harden them.  BMCs are trusted components designed into a computer’s hardware that operate separately from the operating system (OS) and firmware to allow for remote management and control, even when the system is shut down. Hardened credentials, firmware updates, and network segmentation options are often…

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Microsoft Patch Tuesday, June 2023 Edition

Microsoft Corp. today released software updates to fix dozens of security vulnerabilities in its Windows operating systems and other software. This month’s relatively light patch load has another added bonus for system administrators everywhere: It appears to be the first Patch Tuesday since March 2022 that isn’t marred by the active exploitation of a zero-day vulnerability in Microsoft’s products. June’s Patch Tuesday features updates to plug at least 70 security holes, and while none of…

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CISA Issues BOD 23-02: Mitigating the Risk from Internet-Exposed Management Interfaces

Today, CISA issued Binding Operational Directive (BOD) 23-02: Mitigating the Risk from Internet-Exposed Management Interfaces, requiring Federal Civilian Executive Branch (FCEB) agencies to reduce risks posed by internet-exposed networked management interfaces on federal information systems. This Directive applies to dedicated device interfaces that are accessible over network protocols and are meant exclusively for authorized users to perform administrative activities on a device, a group of devices, or the network itself.  Agencies must be prepared to…

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Fortinet Releases June 2023 Vulnerability Advisories

Fortinet has released its June 2023 Vulnerability Advisories to address vulnerabilities affecting multiple products. An attacker could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Fortinet June 2023 Vulnerability Advisories page for more information and apply the necessary updates.

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Fortinet Releases Security Updates for FortiOS and FortiProxy

Fortinet has released security updates to address a heap-based buffer overflow vulnerability CVE-2023-27997 in FortiOS and FortiProxy. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review Fortinet security advisory FG-IR-23-097 and apply the necessary updates. For more information, see Fortinet’s Analysis of CVE-2023-27997 and Clarifications on Volt Typhoon Campaign.

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