Chinese state-sponsored threat group APT41 targets U.S. critical organizations using two Zero-Days

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here A China state-sponsored threat group known as APT41 is observed compromising at least six U.S. state governments networks in a threat campaign beginning from May 2021. APT41 is a well-known Chinese state-sponsored espionage...

Dirty Pipe: A privilege escalation vulnerability in Linux Kernel

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here A vulnerability in the Linux kernel existed since version 5.8 and allows overwriting data in arbitrary read-only files. Because unprivileged processes can inject code into root processes, this results in privilege escalation. ...

Two actively exploited Zero-Day vulnerabilities discovered in Mozilla Firefox

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here Two critical zero-day vulnerabilities have been identified in Mozilla Firefox that are being exploited in-the-wild and tracked as CVE-2022-26485 and CVE-2022-26485. Both are use-after-free bugs that exist in XSLT parameter...

Important: expat

Issue Overview: An integer overflow was found in expat. The issue occurs in storeRawNames by abusing the mbuffer expansion logic to allow allocations very close to INTMAX and out-of-bounds heap writes. This flaw can cause a denial of service or potentially arbitrary code execution. CVE-2022-25315...

Medium: tomcat8

Issue Overview: The fix for bug CVE-2020-9484 introduced a time of check, time of use vulnerability into Apache Tomcat 10.1.0-M1 to 10.1.0-M8, 10.0.0-M5 to 10.0.14, 9.0.35 to 9.0.56 and 8.5.55 to 8.5.73 that allowed a local attacker to perform actions with the privileges of the user that the Tomc...

Medium: zsh

Issue Overview: A vulnerability was found in zsh in the parsecolorchar function of prompt.c file. This flaw allows an attacker to perform code execution if they control a command output inside the prompt, as stated by a %F%K argument. This occurs because of recursive PROMPTSUBST expansion...

Thousands of GitLab instances impacted by multiple security flaws

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here Multiple security vulnerabilities have been discovered by researchers in GitLab, an open-source DevOps software. Some of these flaws could allow an unauthenticated remote attacker to retrieve all information linked to GitLab...

Zero-day vulnerability in Zimbra Servers being exploited-in-the-wild

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here A zero-day cross-site scripting XSS vulnerability has been discovered in the Zimbra email software. A threat actor is taking advantage of this issue by launching a targeted spear-phishing attack named Operation EmailThief. Two...

Understanding and Mitigating Russian State-Sponsored Cyber Threats to U.S. Critical Infrastructure

Summary Actions Critical Infrastructure Organizations Should Implement to Immediately Strengthen Their Cyber Posture. • Patch all systems. Prioritize patching known exploited vulnerabilities. • Implement multi-factor authentication. • Use antivirus software. • Develop internal contact lists and...

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware By Taylor Mullins · February 28, 2022 BlackByte Ransomware has been in the news of late due to a successful attack against a National Football League NFL Franchise and a Joint Cybersecurity Advisory by the Federal Bureau ...

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware By Taylor Mullins · February 28, 2022 BlackByte Ransomware has been in the news of late due to a successful attack against a National Football League NFL Franchise and a Joint Cybersecurity Advisory by the Federal Bureau ...

Millions of WordPress site backups at risk due to a vulnerability in UpdraftPlus plugin

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here UpdraftPlus is a backup tool for WordPress files, databases, plug-ins, and themes that allows you to create, restore, and migrate backups. UpdraftPlus is utilized by more than three million WordPress websites, according to i...

Medium: openssh

Issue Overview: A flaw was found in OpenSSH. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a different user. Depending on system...

Critical: perl-Image-ExifTool

Issue Overview: lib/Image/ExifTool.pm in ExifTool before 12.38 mishandles a $file = /|$/ check. CVE-2022-23935 Affected Packages: perl-Image-ExifTool Issue Correction: Run yum update perl-Image-ExifTool or yum update --advisory ALAS-2022-1566 to update your system. New Packages: noarch: ...

Apache Cassandra database affected by easily exploitable Remote code execution

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here Apache Cassandra is a database software being used by many companies such as Uber, Facebook, Netflix, Twitter, Instagram, Spotify, Instacart, Reddit, and Accenture. A remote code execution flaw CVE-2021-44521 is reported whi...

MITRE Caldera Command Injection (CVE-2021-42561)

A command injection vulnerability exists in MITRE Caldera Human plugin. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system...

VMware addresses security flaws discovered during Tianfu Cup Pwn Contest

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here VMware addressed vulnerabilities in ESXi, Workstation, Fusion, and Cloud Foundation, few months after the discovery of these bugs by participants at Tianfu Cup Pwn Contest. VMware has rated some of these vulnerabilities as...

Critical Magento zero-day vulnerability actively exploiting multiple e-commerce websites

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here Adobe issued an emergency advisory informing Adobe Commerce and Magento Open-Source product users of a critical zero-day vulnerability that is being actively exploited in the wild. A zero-day vulnerability which has been...

Dropping Files on a Domain Controller Using CVE-2021-43893

On December 14, 2021, during the Log4Shell chaos, Microsoft published CVE-2021-43893, a remote privilege escalation vulnerability affecting the Windows Encrypted File System EFS. The vulnerability was credited to James Forshaw of Google Project Zero, but perhaps owing to the Log4Shell atmosphere,...

Zero-day vulnerability in WebKit affects Apple macOS

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here A third zero-day vulnerability has been identified since the latest zero-day bugs discovery in macOS Monterey in the year 2022. This flaw impacts the WebKit component, which is a cross-platform web browser engine that is...