Quotation Mark Parsing Flaw Makes IE Users Vulnerable to Attack

A bug in Microsoft’s Internet Explorer has left users of the popular browser vulnerable to cross-site scripting attacks, according to researchers at the security firm Imperva Data Security. The flaw stems from an error in the way double quotes are encoded by IE. According to Imperva’s Rob Rachwal...

MD5 vulnerable to collision attacks

Overview Weaknesses in the MD5 algorithm allow for collisions in output. As a result, attackers can generate cryptographic tokens or other data that illegitimately appear to be authentic. Description A secure cryptographic hash algorithm is one that generates a unique identifier of a fixed size...

IPv6协议Type 0路由头拒绝服务漏洞

IPv6是Internet Protocol Version 6的缩写，也被称作下一代互联网协议，它是由IETF设计的用来替代现行的IPv4协议的一种新的IP协议。 OpenBSD和Cisco IOS系统在处理某些IPv6 type 0路由头时存在拒绝服务漏洞，如果向运行上述系统的设备发送了特制的IPv6报文的话，就可能导致设备崩溃。请注意这是IPv6协议本身的漏洞，与设备和软件无关。 Cisco IOS 12.4 Cisco IOS 12.3 Cisco IOS 12.2 Cisco IOS 12.1 Cisco IOS 12.0 OpenBSD OpenBSD 4.0 OpenBSD...

Hacker attack and Defense of the PPPoE authentication and use-vulnerability and early warning-the black bar safety net

A Foreword In recent years, Internet data traffic has developed rapidly, broadband users showed explosive growth, the operators in the use of xDSL, LAN, HFC, wireless and other access methods at the same time, in order to build an operable, manageable and profitable broadband network, is very...