Emergency Response

Drupal Remote Code Execution Vulnerability (CVE-2020-13671) Threat Alert

December 11, 2020 | Mina Hao

Overview On November 19, 2020 (Beijing time), Drupal released a security advisory that fixes a remote code execution vulnerability (CVE-2020-13671). Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain […]

XStream Remote Code Execution Vulnerability (CVE-2020-26217) Threat Alert

December 9, 2020 | Mina Hao

Overview Recently, XStream released a security advisory that fixes a remote code execution vulnerability (CVE-2020-26217). The vulnerability may allow a remote attacker to execute arbitrary code by sending crafted requests to the web application that uses XStream and thereby taking control of the target server. XStream is a commonly used tool for converting between Java […]

Windows Network File System Vulnerabilities (CVE-2020-17051, CVE-2020-17056) Threat Alert

December 2, 2020 | Mina Hao

Overview On November 10, 2020 local time, Microsoft fixed two vulnerabilities in the Windows Network File System (NFS) in its monthly security updates, which are CVE-2020-17051 and CVE-2020-17056. CVE-2020-17051 is a remote code execution vulnerability on the nfssvr.sys driver. It is said that the vulnerability can be reproduced to cause an immediate BSOD (Blue Screen […]

Microsoft’s November 2020 Patches Fix 112 Security Vulnerabilities Threat Alert

November 30, 2020 | Mina Hao

Overview   Microsoft released November 2020 security updates on Tuesday which fix 112 vulnerabilities ranging from simple spoofing attacks to remote code execution, including 17 critical vulnerabilities, 93 important vulnerabilities, and two low vulnerabilities. All users are advised to install updates without delay. These vulnerabilities affect Azure DevOps, Azure Sphere, Common Log File System Driver, Microsoft […]

Adobe Releases November’s Security Updates Threat Alert

November 28, 2020 | Mina Hao

Overview On November 11, 2020 (local time), Adobe released security updates which address multiple vulnerabilities in Adobe Connect and Adobe Reader Mobile.

SaltStack Multiple Vulnerabilities (CVE-2020-16846, CVE-2020-17490, CVE-2020-25592) Threat Alert

November 27, 2020 | Mina Hao

Overview Recently, SaltStack released a security update to address multiple vulnerabilities (CVE-2020-16846, CVE-2020-17490, CVE-2020-25592). These vulnerabilities can cause authentication bypass and command execution. SaltStack recommends users upgrade as soon as possible. Salt is an open-source IP architecture management solution written in Python. It has been widely used in data centers worldwide.

Windows Kernel cng.sys Privilege Escalation 0-day Vulnerability CVE-2020-17087 Threat Alert

November 17, 2020 | Mina Hao

Overview Recently, Google Project Zero published an article about the Windows cng.sys privilege escalation vulnerability (CVE-2020-17087). The vulnerability allows attackers without authentication to trick users into running crafted malicious programs to escalate privileges. At present, this vulnerability has been exploited in the wild, and Microsoft has not released patches to fix it. Users are advised […]

WebLogic Console HTTP Remote Code Execution Vulnerability (CVE-2020-14882) Protection Solution

November 16, 2020 | Mina Hao

Overview The Critical Patch Update (CPU) for October 2020 released by Oracle contains a high-risk WebLogic Consoleremote code execution vulnerability (CVE-2020-14882). The vulnerability can be triggered without authentication and has an extensive impact. Unauthenticated attackers might construct special HTTP GET requests to exploit this vulnerability to execute arbitrary code on the affected WebLogic Server.

VMware ESXi Remote Code Execution Vulnerability (CVE-2020-3992) Threat Alert

November 13, 2020 | Mina Hao

Vulnerability Description On October 21, 2020, NSFOCUS detected that VMware released a security advisory that fixes a VMware ESXi remote code execution vulnerability (CVE-2020-3992). This vulnerability exists because OpenSLP as used in VMware ESXi has a use-after-free issue. An attacker residing in the management network who has access to port 427 on an ESXi machine […]

oracle

WebLogic High-Risk Vulnerabilities (CVE-2020-14841, CVE-2020-14825, CVE-2020-14859) Threat Alert

November 6, 2020 | Mina Hao

Overview On October 21, 2020, Beijing time, Oracle released Critical Patch Update (CPU) for October 2020 that fixes 402 vulnerabilities of different risk levels. The WebLogic Server Core component is prone to three severe vulnerabilities with a CVSS base score of 9.8, which are assigned CVE-2020-14841, CVE-2020-14825, and CVE-2020-14859 respectively.