Malware

Atlassian Releases Security Updates

Atlassian has released its Security Bulletin for July 2023 to address vulnerabilities in Confluence Data Center & Server (CVE-2023-22505 and CVE-2023-22508) and Bamboo Data Center (CVE-2023-22506). An attacker can exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Atlassian’s July 2023 Security Bulletin and apply the necessary updates.

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CISA Releases Cybersecurity Advisory on Threat Actors Exploiting Citrix CVE-2023-3519

The Cybersecurity and Infrastructure Security Agency (CISA) released a Cybersecurity Advisory (CSA), Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells, to warn organizations about threat actors exploiting CVE-2023-3519, an unauthenticated remote code execution (RCE) vulnerability affecting NetScaler (formerly Citrix) Application Delivery Controller (ADC) and NetScaler Gateway. In June 2023, threat actors exploited this vulnerability as a zero-day to drop a webshell on a critical infrastructure organization’s NetScaler ADC appliance. The webshell enabled the actors to…

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Adobe Releases Security Updates for ColdFusion

Adobe has released security updates to address a critical vulnerability (CVE-2023-38203) affecting ColdFusion. An attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Adobe security release APSB23-41 and apply the necessary updates.

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Citrix Releases Security Updates for NetScaler ADC and Gateway

Citrix has released security updates to address vulnerabilities (CVE-2023-3519, CVE-2023-3466, and CVE-2023-3467) affecting NetScaler ADC and NetScaler Gateway. An attacker can exploit one of these vulnerabilities to take control of an affected system. According to Citrix, CVE-2023-3519 is being exploited on unmitigated appliances. CISA encourages users and administrators to review the Citrix security bulletin and apply the necessary updates.

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Oracle Releases Security Updates

Oracle has released its Critical Patch Update Advisory, Solaris Third Party Bulletin, and Linux Bulletin for July 2023 to address vulnerabilities affecting multiple products. A remote attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Oracle’s July 2023 Critical Patch Update Advisory, Solaris Third Party Bulletin, and Linux Bulletin and apply the necessary updates.

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NSA, CISA Release Guidance on Security Considerations for 5G Network Slicing 

Today, the National Security Agency (NSA) and CISA published 5G Network Slicing: Security Considerations for Design, Deployment, and Maintenance. This guidance—created by the Enduring Security Framework (ESF), a public-private cross-sector working group led by the NSA and CISA—presents recommendations to address some identified threats to 5G standalone network slicing, and provides industry recognized practices for the design, deployment, operation, and maintenance of a hardened 5G standalone network slice(s). This guidance builds upon the 2022 ESF…

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CISA Develops Factsheet for Free Tools for Cloud Environments

CISA has developed and published a factsheet, Free Tools for Cloud Environments, to help businesses transitioning into a cloud environment identify proper tools and techniques necessary for the protection of critical assets and data security. Free Tools for Cloud Environments provides network defenders and incident response/analysts open-source tools, methods, and guidance for identifying, mitigating, and detecting cyber threats, known vulnerabilities, and anomalies while operating a cloud or hybrid environment.  Cloud service platforms and cloud service…

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CISA Adds Two Known Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-37450 Apple Multiple Products WebKit Code Execution Vulnerability CVE-2022-29303 SolarView Compact Command Injection Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Note: To view other newly added vulnerabilities in the catalog, click on the arrow in the “Date Added to Catalog” column—which will sort by descending…

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Cisco Releases Security Update for SD-WAN vManage API

Cisco has released a security update to address a critical vulnerability affecting SD-WAN vManage API. A remote attacker can exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review the Cisco security release Cisco SD-WAN vManage Unauthenticated REST API Access Vulnerability and apply the necessary updates.

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