Cyber Security Alerts & Threat Intelligence

CISA has released an analysis and infographic detailing the findings from the 121 Risk and Vulnerability Assessments (RVAs) conducted across multiple critical infrastructure sectors in fiscal year 2023 (FY23). The analysis details a sample attack path including tactics and steps a cyber threat actor could follow to compromise an organization with weaknesses representative of those CISA observed in FY23 RVAs. The infographic highlights the most successful techniques for each tactic that RVAs documented. Both the analysis and infographic map threat actor behavior to the MITRE ATT&CK® framework. CISA encourages network defenders to review the analysis and infographic and apply the…

Cisco released security updates to address two vulnerabilities (CVE-2024-20439 and CVE-2024-20440) in Cisco Smart Licensing Utility. A cyber threat actor could exploit one of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review the following advisory and apply the necessary updates:  Cisco Smart Licensing Utility Vulnerabilities

Ivanti released security updates to address multiple vulnerabilities in Ivanti Endpoint Manager, Cloud Service Application 4.6, and Workspace Control. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review the following Ivanti advisories and apply the necessary guidance and updates:  Ivanti Endpoint Manager Ivanti Cloud Service Application 4.6 Ivanti Workspace Control

Citrix released security updates to address multiple vulnerabilities in the Citrix Workspace App for Windows. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review the following and apply necessary updates:  Citrix Workspace app for Windows Security Bulletin for CVE-2024-7889 and CVE-2024-7890

High Vulnerabilities PrimaryVendor — Product Description Published CVSS Score Source Info Patch Info abcd-community — abcd  A vulnerability classified as problematic has been found in ABCD ABCD2 up to 2.2.0-beta-1. This affects an unknown part of the file /common/show_image.php. The manipulation of the argument image leads to path traversal: ‘../filedir’. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. 2024-09-04 7.5 CVE-2024-8409 cna@vuldb.comcna@vuldb.comcna@vuldb.com  abcd-community — abcd  A vulnerability classified as problematic was found in…

Summary The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and National Security Agency (NSA) assess that cyber actors affiliated with the Russian General Staff Main Intelligence Directorate (GRU) 161st Specialist Training Center (Unit 29155) are responsible for computer network operations against global targets for the purposes of espionage, sabotage, and reputational harm since at least 2020. GRU Unit 29155 cyber actors began deploying the destructive WhisperGate malware against multiple Ukrainian victim organizations as early as January 13, 2022. These cyber actors are separate from other known and more established GRU-affiliated cyber groups, such as Unit 26165 and…

Today, the Federal Bureau of Investigation (FBI)—in partnership with CISA, the National Security Agency (NSA), and other U.S. and international partners—released a joint Cybersecurity Advisory Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure. This advisory provides overlapping cybersecurity industry cyber threat intelligence, tactics, techniques, and procedures (TTPs) and Indicators of Compromise (IOCs) associated with Russian General Staff Main Intelligence Directorate (GRU) 161st Specialist Training Center (Unit 29155) cyber actors, both during and succeeding their deployment of the WhisperGate malware against Ukraine. These cyber actors are responsible for computer network operations against global targets for the purposes of espionage, sabotage,…

High Vulnerabilities PrimaryVendor — Product Description Published CVSS Score Source & Patch Info Adobe–Acrobat Reader  Acrobat Reader versions 127.0.2651.105 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. 2024-08-26 7.8 CVE-2024-41879psirt@adobe.com  aertherwide — exiftags  Buffer Overflow vulnerability in open source exiftags v.1.01 allows a local attacker to execute arbitrary code via the paresetag function. 2024-08-27 7.8 CVE-2024-42851cve@mitre.org  angeljudesuarez — tailoring_management_system  A vulnerability classified as critical was found in itsourcecode Tailoring…

Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors. These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to help organizations protect against ransomware. Visit stopransomware.gov to see all #StopRansomware advisories and to learn more about other ransomware threats and no-cost resources. The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), the Multi-State Information Sharing and Analysis Center (MS-ISAC), and the Department of Health and Human Services (HHS) (hereafter…

Summary The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and the Department of Defense Cyber Crime Center (DC3) are releasing this joint Cybersecurity Advisory (CSA) to warn network defenders that, as of August 2024, a group of Iran-based cyber actors continues to exploit U.S. and foreign organizations. This includes organizations across several sectors in the U.S. (including in the education, finance, healthcare, and defense sectors as well as local government entities) and other countries (including in Israel, Azerbaijan, and the United Arab Emirates). The FBI assesses a significant percentage of these threat actors’ operations against US…

Today, CISA—in partnership with the Federal Bureau of Investigation (FBI) and the Department of Defense Cyber Crime Center (DC3)—released Iran-based Cyber Actors Enabling Ransomware Attacks on U.S. Organizations. This joint advisory warns of cyber actors, known in the private sector as Pioneer Kitten, UNC757, Parisite, Rubidium, and Lemon Sandstorm, targeting and exploiting U.S. and foreign organizations across multiple sectors in the U.S.  FBI investigations conducted as recently as August 2024 assess that cyber actors like Pioneer Kitten are connected with the Government of Iran (GOI) and linked to an Iranian information technology (IT) company. Their malicious cyber operations are aimed…

Versa Networks has released an advisory for a vulnerability (CVE-2024-39717) in Versa Director, a key component in managing SD-WAN networks, used by some Internet Service Providers (ISPs) and Managed Service Providers (MSPs). A cyber threat actor could exploit this vulnerability to take control of an affected system.  CISA urges organizations to apply necessary updates, hunt for any malicious activity, report any positive findings to CISA, and review the following for more information:  Versa Security Bulletin: Update on CVE-2024-39717 – Versa Director Dangerous File Type Upload Vulnerability  Lumen: Taking the Crossroads: The Versa Director Zero-Day Exploitation  CISA has added this vulnerability…