Cyber Security Alerts & Threat Intelligence

Original release date: April 26, 2021 A software supply chain attack—such as the recent SolarWinds Orion attack—occurs when a cyber threat actor infiltrates a software vendor’s network and employs malicious code to compromise the software before the vendor sends it to their customers. The compromised software can then further compromise customer data or systems. To help software vendors and customers defend against these attacks, CISA and the National Institute for Standards and Technology (NIST) have released Defending Against Software Supply Chain Attacks. This new interagency resource provides an overview of software supply chain risks and recommendations. The publication also provides guidance…

Original release date: April 26, 2021   High Vulnerabilities Primary Vendor — Product Description Published CVSS Score Source & Patch Info adobe — robohelp Adobe Robohelp version 2020.0.3 (and earlier) is affected by an uncontrolled search path element vulnerability that could lead to privilege escalation. An attacker with permissions to write to the file system could leverage this vulnerability to escalate privileges. 2021-04-19 9.3 CVE-2021-21070 MISC autodesk — fbx_review A user may be tricked into opening a malicious FBX file which may exploit a Directory Traversal Remote Code Execution vulnerability in FBX’s Review causing it to run arbitrary code on…

Original release date: April 26, 2021 The Federal Bureau of Investigation (FBI), Department of Homeland Security, and CISA have released a Joint Cybersecurity Advisory (CSA) addressing Russian Foreign Intelligence Service (SVR) cyber actors—also known as Advanced Persistent Threat 29 (APT 29), the Dukes, CozyBear, and Yttrium—continued targeting of U.S and foreign entities. The SVR activity—which includes the recent SolarWinds Orion supply chain compromise—primarily targets government networks, think tank and policy analysis organizations, and information technology companies and seeks to gather intelligence information. This CSA complements the CISA, FBI, and National Security Agency (NSA) Joint CSA: Russian SVR Targets U.S. and Allied…

Original release date: April 26, 2021 Summary The Federal Bureau of Investigation (FBI), Department of Homeland Security (DHS), and Cybersecurity and Infrastructure Security Agency (CISA) assess Russian Foreign Intelligence Service (SVR) cyber actors—also known as Advanced Persistent Threat 29 (APT 29), the Dukes, CozyBear, and Yttrium—will continue to seek intelligence from U.S. and foreign entities through cyber exploitation, using a range of initial exploitation techniques that vary in sophistication, coupled with stealthy intrusion tradecraft within compromised networks. The SVR primarily targets government networks, think tank and policy analysis organizations, and information technology companies. On April 15, 2021, the White House released…

The malware is for now using exploits for the Microsoft Exchange “ProxyLogon” security bugs to install Monero-mining malware on targets.

Matt Dunn, the associate managing director for cyber-risk at Kroll, discusses how to keep networks safe from insecure IoT devices.

Original release date: April 22, 2021 CISA has released AR21-112A: CISA Identifies SUPERNOVA Malware During Incident Response to provide analysis of a compromise in an organization’s enterprise network by an advance persistent threat actor. This report provides tactics, techniques, and procedures CISA observed during the incident response engagement. CISA encourages organizations to review AR21-112A for more information. This product is provided subject to this Notification and this Privacy & Use policy.

David “moose” Wolpoff, co-founder and CTO at Randori, talks lesser-known hacking paths, including unresolved “fixme” flags in developer support groups.

Original release date: April 21, 2021 CISA is aware of three vulnerabilities affecting SonicWall Email Security products: CVE-2021-20021, CVE-2021-20022, and CVE-2021-20023. A remote attacker could exploit these vulnerabilities to take control of an affected system. According to SonicWall, “In at least one known case, these vulnerabilities have been observed to be exploited ‘in the wild.’” CISA encourages users and administrators to review the SonicWall security advisory and apply the necessary update as soon as possible. Note: SonicWall released patches for CVE-2021-20021 and CVE-2021-20022 on April 9, 2021, and for CVE-2021-20023 on April 20, 2021. This product is provided subject to this…

CVE-2021-22893 allows remote code-execution (RCE) and is being used in the wild by nation-state cyberattackers to compromise VPN appliances in defense, finance and government orgs.

The Mozilla Foundation releases Firefox 88, fixing 13 bugs ranging from high to low severity.

Original release date: April 20, 2021 CISA has issued Emergency Directive (ED) 21-03, as well as Alert AA21-110A, to address the exploitation of vulnerabilities affecting Pulse Connect Secure (PCS) software. An attacker could exploit these vulnerabilities to gain persistent system access and take control of the enterprise network operating the vulnerable PCS device. These vulnerabilities are being exploited in the wild.  Specifically, ED 21-03 directs federal departments and agencies to run the Pulse Connect Secure Integrity Tool on all instances of PCS virtual and hardware appliances to determine whether any PCS files have been maliciously modified or added.   Although ED…