Emergency Response

QEMU VM Escape Vulnerability (CVE-2020-14364) Threat Alert

September 18, 2020 | Mina Hao

Vulnerability Description On August 24, QEMU released a security patch to fix a VM escape vulnerability (CVE-2020-14364) which is the result of an out-of-bounds read/write access issue in the USB emulator in QEMU. This vulnerability resides in ./hw/usb/core.c. When the program handles USB packets from a guest, this vulnerability is deemed to exist if USBDevice […]

SANGFOR Endpoint Detection Response Remote Command Execution Vulnerability Handling Guide

September 16, 2020 | Mina Hao

Vulnerability Description On August 18, 2020, the China National Vulnerability Database (CNVD) listed SANGFOR Endpoint Detection Response (EDR) remote command execution vulnerability (CNVD-2020-46552) as a new entry. An unauthenticated attacker could exploit this vulnerability to send a maliciously crafted HTTP request to a target server, thereby obtaining the privileges of the target server and causing […]

Struts S2-059, S2-060 Vulnerabilities (CVE-2019-0230, CVE-2019-0233) Threat Alert

September 11, 2020 | Mina Hao

Overview On August 13, 2020, Beijing time, Struts issued a new security bulletin to announce the fix of two vulnerabilities. S2-059 (CVE-2019-0230) is a possible remote code execution vulnerability, and S2-060 (CVE-2019-0233) is a denial-of-service vulnerability. The two vulnerabilities were fixed in Struts 2.5.22 released in November 2019. Users are advised to upgrade as soon […]

Update New Nginx Threat Backdoor Alert

September 8, 2020 | Mina Hao

Overview This is an update advisory. For details, please see “Verification Method”-“Local Verification”. On July 16, 2020, Beijing time, a competitor published an article stating that it captured a new Nginx backdoor recently which could bypass antivirus software. By the time this advisory is released, the backdoor had not been detected by any antivirus software […]

WebSphere Remote Code Execution Vulnerability (CVE-2020-4534) Threat Alert

September 4, 2020 | Mina Hao

1. Vulnerability Description On July 31, 2020, Beijing time, IBM released a security bulletin which addressed a remote code execution vulnerability (CVE-2020-4534) in WebSphere Application Server (WAS). The vulnerability is caused by improper handling of UNC paths. An authenticated local attacker could exploit the vulnerability to execute arbitrary code. The vulnerability has a CVSS score […]

Adobe Releases August’s Security Updates Threat Alert

August 31, 2020 | Mina Hao

Overview On August 11, 2020 (local time), Adobe released security updates to address multiple vulnerabilities in Adobe Acrobat, Reader, and Lightroom. For details about the security bulletins and advisories, visit the following link:

Microsoft’s August 2020 Patches Fix 120 Security Vulnerabilities Threat Alert

August 30, 2020 | Mina Hao

Overview   Microsoft released August 2020 security updates on Tuesday which fix 120 vulnerabilities ranging from simple spoofing attacks to remote code execution in various products, including .NET Framework, ASP.NET, Internet Explorer, Microsoft Dynamics, Microsoft Edge, Microsoft Graphics Component, Microsoft JET Database Engine, Microsoft Office, Microsoft Office SharePoint, Microsoft Scripting Engine, Microsoft Video Control, Microsoft Windows, […]

Cisco SD-WAN High-Risk Vulnerabilities (CVE-2020-3374, CVE-2020-3375) Threat Alert

August 28, 2020 | Mina Hao

Overview Recently, Cisco released an announcement stating that it has repaired two high-risk vulnerabilities in Cisco SD-WAN vManager Software (CVE-2020-3374) and SD-WAN Solution Software (CVE-2020-3375). Cisco SD-WAN is a secure cloud-scale architecture with openness, programmability, and scalability. Through the Cisco vManage console, you can quickly establish SD-WAN coverage structures to connect data centers, branch offices, […]

WebSphere Application Server High-Risk Remote Code Execution Vulnerability (CVE-2020-4450) Threat Alert

August 25, 2020 | Mina Hao

Overview On June 5, Beijing time, IBM released a security bulletin to announce the fix of a high-risk remote code execution vulnerability (CVE-2020-4450) in WebSphere Application Server (WAS). This vulnerability was caused by deserialization of the Internet Inter-ORB Protocol (IIOP). It is assigned the CVSS base score of 9.8 and therefore is a high-risk one […]

TP-Link Tapo C200 IP Camera High-Risk Vulnerability Threat Alert

August 18, 2020 | Mina Hao

Overview Recently, TP-Link fixed a high-risk vulnerability in the C200 IP camera. A user’s hashed password can be found in the memory dump by using the discovered Heartbleed vulnerability exposed on TCP port 443. The hash was then used for a pass-the-hash attack by exploiting the login process on the API. This caused a login […]