Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, when using iptables and TCP options rules, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the char type.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel IPTables符号错误远程拒绝服务漏洞
Vulnerability Description
Linux是一款开放源代码操作系统。 Linux内核包含的iptables不正确处理部分TCP头字段值，远程攻击者可以利用这个漏洞对Linux系统进行拒绝服务攻击。 此漏洞只有当在netfilter防火墙子系统中使用"-p tcp --tcp-option"选项时才会被触发。问题存在于tcp_find_option()函数中(net/ipv4/netfilter/ip_tables.c)，定义的'opt'字段如下： char opt[60 - sizeof(struct tcphdr)]; 由于不正确处理
CVSS Information
N/A
Vulnerability Type
N/A