NetBSD PPPoE发现脚本远程拒绝服务漏洞

BUGTRAQ ID:30838 CNCAN ID：CNCAN-2008082706 NetBSD是一款基于BSD的操作系统。 NetBSD包含的pppoe4代码处理恶意报文存在问题，远程攻击者可以利用漏洞触发内核访问越界内容而导致内核崩溃，造成拒绝服务攻击。 在客户端和访问集中器之间的会话连接之前，处理PPPoE连接的早期状态的关键代码存在问题。在"discovery"阶段的报文由多个可变长度"tags"装载同一个PPPoE报文中，每个标签将被检查，而且针对全部报文大小的长度进行了验证。不过在长度检查过程中存在一个缺陷，允许把下一个TAG的指针越界移动到报文后最多4字节的位置。...

PPPOE authentication the defect caused the harm-vulnerability warning-the black bar safety net

Author: black lantern Black Mask） Source: Black Mask'blog The article has a table in the hacker X-Files 2 0 0 7 in the first period,reproduced please specify! With the network technology rapid development, the different access methods and thus also into our lives at the time, from the most common...

Gigafast/CompUSA router (model EE400-R) vulnerabilities

This router is/was widely sold in CompUSA stores. It is a Gigafast router, re-branded as a CompUSA router. All firmware versions are affected. When reported to the manufacturer on 5/13/04, I had received a response stating that the information would be passed on to firmware developer. Almost a ye...

Nortel Wireless LAN Access Point 2200 Series - Denial of Service

// source: https://www.securityfocus.com/bid/9787/info Nortel Wireless LAN Access Point 2200 series appliances have been reported to be prone to a remote denial of service vulnerability. The issue is reported to present itself when a large network request is handled by one of the Wireless LAN...