Technical Analysis and Recommended Solution of GoAhead httpd/2.5 to 3.5 LD_PRELOAD Remote Code Execution Vulnerability (CVE-2017-17562)

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A remote RCE vulnerability (CVE-2017-17562) was found in all GoAhead Web Server’s versions earlier than 3.6.5. The vulnerability is a result of initializing the environment of forked CGI scripts using untrusted HTTP request parameters, and will affect all users who have CGI support enabled with dynamically linked executables (CGI scripts). […]

Technical Analysis and Solution of WebLogic Server (WLS) Component Vulnerability

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Overview Recently, NSFOCUS has received a slew of reports from customers in the finance, telecom, and Internet sectors on similar security events. Through analysis, NSFOCUS believes that these events are all associated with the malware-infected WebLogic Server (WLS) host. Specifically, attackers exploit the WLS component vulnerability (CVE-2017-10271) to attack the […]

Miner Virus Attacked Large Numbers of WebLogic Hosts Recently

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On the 15th this month, K.Orange twittered a message, saying that unpatched WebLogic has a vulnerability that could be employed by attackers using a “watch-smartd” program. Recently NSFOCUS received requests from customers in many industries (finance, telecom carriers, the Internet companies and so on) asking for emergence response service as […]

Past and Present of Underground Network Industry

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The underground network industry has a long history and extensive coverage. What happened throughout its history? This document presents the definition, category, means, and examples of the underground network industry, as well as protection measures. Overview What is Underground Industry? Underground industry is a general name for a wide variety […]

Analysis and Solution of Spring Data REST Server PATCH Request RCE Vulnerability

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  Overview Recently, Pivotal released a security advisory to reveal the Spring Data REST server is prone to a remote code execution vulnerability (CVE-2017-8046) when processing PATCH requests. Attackers could exploit this vulnerability by sending a crafted PATCH request to the Spring Data REST server. The submitted JSON data contains […]

Struts 2 S2-052 REST Plug-in Remote Code Execution Vulnerability Analysis

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Overview On September 5, 2017, Apache Struts released the latest security bulletin announcing that the REST plug-in in Apache Struts 2.5.x and some 2.x versions is prone to a high-risk remote code execution vulnerability, which has been assigned CVE-2017-9805 (S2-052). When using an XStream handler with an instance of XStream […]

Analysis of Phishing Attacks Targeting Ukrainian Banks

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Overview On August 17, 2017, the National Bank of Ukraine (NBU) warned financial institutions in the country about a potential cyberattack. The virus would exploit the CVE-2015-2545 vulnerability to cause remote code execution by sending emails with the code disguised as a Microsoft Word document. Subsequently, a cybersecurity institution found […]