Blog

XSS Brings You to an Unintended Website

December 31, 2019 | Mina Hao

I.Principle Cross-site scripting (XSS) is a website attack approach in which a hacker or tester tampers with web pages by inserting malicious scripts via HTML injection, in a bid to direct the user’s browser to carry out malicious operations when the user browses web pages.

Microsoft’s December 2019 Security Update Fixes 38 Security Vulnerabilities

December 30, 2019 | Mina Hao

Overview Microsoft released 2019 December security update on Tuesday that fixes 38 security issues ranging from simple spoofing attacks to remote code execution in various products, including End of Life Software, Microsoft Graphics Component, Microsoft Office, Microsoft Scripting Engine, Microsoft Windows, None, Open Source Software, Servicing Stack Updates, Skype for Business, SQL Server, Visual Studio, […]

Adobe Security Advisory for December Security Updates

December 29, 2019 | Mina Hao

Overview On December 11, local time, Adobe officially released a December security update that fixes multiple vulnerabilities in Adobe’s many products, including Adobe Photoshop CC, Adobe Acrobat and Reader, Brackets, and Adobe ColdFusion. For details, visit the following link: https://helpx.adobe.com/security.html

Communication Data Decryption Based on Frida

December 27, 2019 | Mina Hao

After completing the audit work, I discovered many out-of-bounds vulnerabilities and our vulnerability verification shows that the vulnerable program has no lack of data encryption. Initially, I handle it in the usual way: figure out the entire encryption process and write a Burp plug-in or mitm proxy script for data encryption and decryption.

IP Reputation Report-12232019

December 26, 2019 | Mina Hao

 Top 10 countries in attack counts: The above diagram shows the top 10 regions with the most malicious IP addresses from the NSFOCUS IP Reputation databases at December 23, 2019.

Cybersecurity Insights-10

December 25, 2019 | Mina Hao

5.3.2 Attack Type Distribution In 2018, the most frequent attacks seen814 were SYN flood, UDP flood, ACK flood, HTTP flood and HTTPS flood attacks, which altogether accounted for 96% of all DDoS attacks. In contrast, reflection attackers contributed to no more than 3% of attacks. Compared with 2017, the year 2018 witnessed a 80% decrease […]

Advisory: Gitlab EE multiple high-risk vulnerabilities

December 24, 2019 | Mina Hao

Vulnerability Description On December 10, 2019 local time, GitLab officially released an important version update notice, announcing three high-risk vulnerabilities in GitLab EE (Enterprise Edition). GitLab is an open source and web-based Git-repository management project.

Advisory: Two high-risk vulnerabilities in GoAhead web server

December 23, 2019 | Mina Hao

Vulnerability Description On December 2, 2019, Cisco Talos publicly released reports of a remote code execution vulnerability (CVE-2019-5096) and a denial of service vulnerability (CVE-2019-5097) for the GoAhead web server. GoAhead is an open source, simple, lightweight, and powerful embedded Web Server. It is a Web server tailored for embedded real-time operating systems (RTOS) and […]

VMware

VMware ESXi Remote Code Execution Vulnerability (CVE-2019-5544) Threat Alert

December 20, 2019 | Mina Hao

Overview On December 5, local time, VMware officially released a security advisory that revealed a remote code execution vulnerability (CVE-2019-5544) in VMware ESXi and Horizon DaaS. The vulnerability is due to a heap overwrite issue in OpenSLP used in ESXi and Horizon DaaS appliances. Malicious users with access to port 427 on the ESXi host […]

IP Reputation Report-12152019

December 19, 2019 | Mina Hao

Top 10 countries in attack counts: The above diagram shows the top 10 regions with the most malicious IP addresses from the NSFOCUS IP Reputation databases at December 15, 2019.