Resposta de Emergência

Overview Recently, Apache Software Foundation released a security advisory, announcing remediation of a privilege escalation vulnerability (CVE-2019-0211) in the Apache HTTP Server. Apache HTTP Server running MPM event, worker or prefork could allow an attacker to gain elevated privileges on the system by executing code in less-privileged child processes or threads (including scripts executed by […]

Overview Recently, a foreign researcher announced a 0-day vulnerability with Microsoft Edge and Internet Explorer (IE). Enticing a user to click a malicious link, an attacker could exploit this vulnerability to bypass the same-origin policy of the two kinds of browsers to launch a universal cross-site scripting (UXSS) attack to steal the user’s sensitive information.

Overview Recently, a foreign researcher discovered a potential vulnerability in the UC browser which may affect hundreds of millions of users around the world. A hidden feature is found in the UC browser to download auxiliary software modules for execution by bypassing some restrictions of an application store. This feature is used to add new […]

1 Vulnerability Overview Recently, a security researcher disclosed details about a PostgreSQL privilege escalation code execution vulnerability (CVE-2019-9193), which allows attackers with read access to database server-side files to execute arbitrary system commands.

1 Vulnerability Overview Recently, The Apache Software Foundation announced the existence of a denial-of-service (DoS) vulnerability in Apache Tomcat HTTP/2. Specifically, the HTTP/2 implementation accepts streams with excessive numbers of SETTINGS frames and also permits clients to keep streams open without reading/writing request/response data. Thus, too many connection requests from clients can cause server-side thread […]

Overview On March 12, 2019 (local time), Adobe released security updates which address multiple vulnerabilities in Adobe Photoshop CC and Adobe Digital Editions.

Overview On February 27 (local time), Cisco officially released a security advisory to announce a critical security vulnerability (CVE-2019-1663) in Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W Wireless-N Multifunction VPN Router, and Cisco RV215W Wireless-N VPN Router. This vulnerability exists in the web-based management interface of the preceding products, which fails to properly validate user-supplied […]

Overview   Microsoft released the March 2019 security patch on Tuesday that fixes 68 vulnerabilities ranging from simple spoofing attacks to remote code execution in various products, including Active Directory, Adobe Flash Player, Azure, Internet Explorer, Microsoft Browsers, Microsoft Edge, Microsoft Graphics Component, Microsoft JET Database Engine, Microsoft Office, Microsoft Office SharePoint, Microsoft Scripting Engine, Microsoft […]

1 Vulnerability Overview Recently, the NSFOCUS M01N team released the Analysis of Privilege Escalation Attacks by Exploiting Resource-based Constrained Delegation, in which they describe the principle of attacks launched by exploiting the resource-based constrained delegation, so as to escalate privileges of domain hosts. For details, click the following link: http://blog.nsfocus.net/analysis-attacks-entitlement-resource-constrained-delegation/ Several days ago, a security […]

Overview A security researcher from Shenanigans Labs disclosed a method of attacking the Active Directory by abusing resource-based constrained delegation. This would impose a serious threat to domain environments as an attacker could make a common domain user access services on local computers as a domain administrator, thus escalating local privileges. For details, see reference […]