Emergency Response

Fastjson Remote Code Execution Vulnerability Threat Alert

July 23, 2019 | NSFOCUS

Overview Recently, a security researcher discovered an issue with the fixes for multiple versions of fastjson. Despite these fixes, an attacker could remotely execute code on a server running fastjson via a carefully crafted request. This issue affects fastjson 1.2.47 and earlier and does not require enabling the autotype option.

Redis Active/Standby Synchronization Code Execution Vulnerability Threat Alert

July 19, 2019 | NSFOCUS

1 Vulnerability Description Written in ANSIC, Redis is an open-source, memory- or network-bound key-value database which can store logs in a persistent manner. It provides multilingual APIs.

Microsoft’s Security Patches for July 2019 Fix 79 Security Vulnerabilities

July 16, 2019 | NSFOCUS

Overview Microsoft released July 2019 security updates on Tuesday which fix 79 vulnerabilities ranging from simple spoofing attacks to remote code execution. Such security updates cover the following products: .NET Framework, ASP.NET, Azure, Azure DevOps, Internet Explorer, Microsoft Browsers, Microsoft Exchange Server, Microsoft Graphics Component, Microsoft Office, Microsoft Office SharePoint, Microsoft Scripting Engine, Microsoft Windows, […]

Adobe Security Advisory for July 2019 Security Updates

July 12, 2019 | NSFOCUS

Overview On July 9, 2019, local time, Adobe officially released July’s security updates to fix multiple vulnerabilities in its various products, including Adobe Bridge CC, Adobe Experience Manager, and Adobe Dreamweaver.

Linux Kernel Multiple Remote Denial-of-Service Vulnerabilities Threat Alert

June 25, 2019 | NSFOCUS

Overview Recently, Red Hat released a security bulletin, pointing out multiple TCP-based remote denial-of-service vulnerabilities in the Linux kernel, namely, a SACK Panic vulnerability of important severity and two other vulnerabilities of moderate severity.

TP-Link Wi-Fi Extenders Remote Code Execution Vulnerability (CVE-2019-7406) Threat Alert

June 24, 2019 | NSFOCUS

Overview Recently, a security expert from IBM X-Force discovered a remote code execution vulnerability (CVE-2019-7406) in multiple models of TP-Link Wi-Fi extenders. This vulnerability can be exploited by unauthenticated, remote attackers by sending a malformed HTTP request so as to execute arbitrary shell commands on a target Wi-Fi extender. The attack does not require escalation […]

Apache Axis Remote Code Execution 0-Day Vulnerability Handling Guide

June 21, 2019 | NSFOCUS

Vulnerability Overview Recently, by using the Attack Trend Monitoring system (ATM), the NSFOCUS security team has discovered an Apache Axis remote command execution vulnerability, which allows attackers to obtain privileges of the target server and remotely execute commands without authorization by sending a crafted HTTP-POST request.

Oracle WebLogic Remote Code Execution Vulnerability (CVE-2019-2725) Patch Bypass Threat Alert

June 18, 2019 | NSFOCUS

Overview Recently, the NSFOCUS security team has found that the Oracle Weblogic vulnerability is exploited in the wild. Its attack signature is similar to that of the CVE-2019-2725 vulnerability. The attack can bypass the latest security patch released by Oracle in April. This vulnerability exists because no proper sanitization is performed when deserialized information is […]

Windows NTLM Tampering Vulnerability (CVE-2019-1040) Threat Alert

June 17, 2019 | NSFOCUS

1 Vulnerability Overview On June 12, 2019, Beijing time, Microsoft released security patches for the Windows NTLM tampering vulnerability (CVE-2019-1040), which exists in Windows operating systems and allows attackers to bypass the NTLM MIC (Message Integrity Check) protection.

Microsoft’s SecurityPatches for June that Fix 93 Security Vulnerabilities Threat Alert

June 14, 2019 | NSFOCUS

Overview Microsoft released June 2019 security patches on Tuesday that fix 93 vulnerabilities ranging from simple spoofing attacks to remote code execution in various products, including Adobe Flash Player, Kerberos, Microsoft Browsers, Microsoft Devices, Microsoft Edge, Microsoft Exchange Server, Microsoft Graphics Component, Microsoft JET Database Engine, Microsoft Office, Microsoft Office SharePoint, Microsoft Scripting Engine, Microsoft […]