Cyber Security Alerts & Threat Intelligence

Original release date: January 11, 2021 The CISA Weekly Vulnerability Summary Bulletin is created using information from the NIST NVD. In some cases, the vulnerabilities in the Bulletin may not yet have assigned CVSS scores. Please visit NVD for updated vulnerability entries, which include CVSS scores once they are available. High Vulnerabilities Primary Vendor — Product Description Published CVSS Score Source & Patch Info 1234n — minicms Directory traversal vulnerability in post-edit.php in MiniCMS V1.10 allows remote attackers to include and execute arbitrary files via the state parameter. 2021-01-05 7.5 CVE-2020-36052 MISC asciitable.js_project — asciitable.js The package asciitable.js before 1.0.3…

Threatpost editors discuss the SolarWinds hack, healthcare ransomware attacks and other threats that will plague enterprises in 2021.

Original release date: January 8, 2021 CISA has evidence of post-compromise advanced persistent threat (APT) activity in the cloud environment. Specifically, CISA has seen an APT actor using compromised applications in a victim’s Microsoft 365 (M365)/Azure environment and using additional credentials and Application Programming Interface (API) access to cloud resources of private and public sector organizations. This activity is in addition to what has been previously detailed in AA20-352A. In response, CISA has released AA21-008A: Detecting Post-Compromise Threat Activity in Microsoft Cloud Environments to describe this malicious APT activity and offer guidance on three open-source tools—including a CISA-developed tool, Sparrow,…

Original release date: January 8, 2021 Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. This Alert is a companion alert to AA20-352A: Advanced Persistent Threat Compromise of Government Agencies, Critical Infrastructure, and Private Sector Organizations. AA20-352A primarily focuses on an advanced persistent threat (APT) actor’s compromise of SolarWinds Orion products as an initial access vector into networks of U.S. Government agencies, critical infrastructure entities, and private network organizations. As noted in AA20-352A, the Cybersecurity and Infrastructure Security Agency (CISA) has evidence…

Former CISA director Chris Krebs and former Facebook security exec Alex Stamos have teamed up to create a new consulting group – and have been hired by SolarWinds.

Original release date: January 8, 2021 The Multi-State Information Sharing and Analysis Center (MS-ISAC) has released an advisory on a vulnerability in Zyxel firewalls and AP controllers. A remote attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review the MS-ISAC Advisory 2021-001 and Zyxel Security Advisory for CVE-2020-29583 and apply the necessary updates and mitigation recommendations. This product is provided subject to this Notification and this Privacy & Use policy.

Original release date: January 8, 2021 The Multi-State Information Sharing and Analysis Center (MS-ISAC) has released an advisory on a vulnerability in Zyxel Firewall and AP Controllers. A remote attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and admininstrators to review the MS-ISAC Advisory 2021-001 and Zyxel Security Advisory for CVE-2020-29583 and apply the necessary updates and mitigation recommendations. This product is provided subject to this Notification and this Privacy & Use policy.

In all, Nvidia patched flaws tied to 16 CVEs across its graphics drivers and vGPU software, in its first security update of 2021.

Major browsers get an update to fix separate bugs that both allow for remote attacks, which could potentially allow hackers to takeover targeted devices.

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Original release date: January 7, 2021 Mozilla has released security updates to address a vulnerability in Firefox, Firefox for Android, and Firefox ESR. An attacker could exploit this vulnerability to take control of an affected system.   CISA encourages users and administrators to review the Mozilla Security Advisory and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.

The NSA released new guidance providing system administrators with the tools to update outdated TLS protocols.