Dahua Cameras Unauthorized Access Vulnerability Technical Analysis and Solution

Recently, Dahua Technology, a well-known security camera and digital video recorder (DVR) vendor in China, released firmware updates to address a serious security issue in certain products. Before the vendor made an official statement on this issue, however, a security researcher named Bashis said that this vulnerability seemed to be a backdoor intentionally left by the vendor and so made his findings public without notifying Dahua in advance.

大华科技摄像头产品非授权访问漏洞技术分析与防护方案

近日,国内知名摄像头/DVR 生产厂商大华科技(Dahua Technology)发布了针对其部分产品的固件升级补丁用来修复其中的一个重要安全问题。然而在官方发布声明前,发现此漏洞的安全专家Bashis表示此漏洞疑似为大华科技自身预留的一个后门,因此没有事先通知大华科技而是选择了直接公开此漏洞。

Apache Struts2 远程代码执行漏洞(S2-045)技术分析与防护方案

Apache Struts2的Jakarta Multipart parser插件存在远程代码执行漏洞,漏洞编号为CNNVD-201703-152。攻击者可以在使用该插件上传文件时,修改HTTP请求头中的Content-Type值来触发该漏洞,导致远程执行代码。

【预警通告】Apache Struts2 远程代码执行漏洞 绿盟科技发布免费扫描工具及产品升级包

Apache Structs2的Jakarta Multipart parser插件存在远程代码执行漏洞,漏洞编号为CVE-2017-5638。攻击者可以在使用该插件上传文件时,修改HTTP请求头中的Content-Type值来触发该漏洞,导致远程执行代码。

【威胁通告】WordPress多个插件存在漏洞

近日,WordPress的多个插件曝出漏洞,漏洞类型包括跨站脚本,SQL注入等。其中NextGEN Gallery插件的SQL注入影响上百万用户,允许未经身份认证的攻击者获取数据库中包括用户信息在内的敏感数据,NextGEN Gallary插件已经发布修复补丁。

Power Outage Caused by the Cyber Attack on Ukrenergo Technical Analysis and Solution

Ukrenergo, a major energy provider in Ukraine, experienced a power failure on the night of December 17, 2016, which involved the automatic control system of the “North” substation in New Petrivtsi close to Kiev. The blackout affected the northern part of Kiev, the country’s capital, and surrounding areas.