Sun Solaris自封装IP报文远程拒绝服务漏洞

受影响系统：
sun solaris 9.0_x86
sun solaris 9.0
sun solaris 8.0_x86
sun solaris 8.0
sun solaris 10_x86
sun solaris 10.0
描述：
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bugtraq id: 28732

solaris是一款由sun开发和维护的商业性质unix操作系统。

solaris处理自封装ip报文处理中的安全漏洞可能允许远程特权用户导致系统忙碌，能够导致系统忙碌是一种拒绝服务。

如果出现了上述漏洞，系统会变得忙碌，栈追踪类似于以下：

ip:ip_rput_local_options 0x2cc(, 0x600107fca40, 0x6000ccbcab8,
0x6002b4acde8)
ip:ip_options_cksum 0x8c(0x6000bcac7f8, 0x600107fca40, 0x6000ccbcab8,
0x6002b4acde8)
ip:ip_proto_input 0x8c(0x6000bcac7f8, 0x6000b0caa00, 0x6000ccbcab8,
0x6002b4acde8, 0x600042009a8)
ip:ip_proto_input 0xa34(, 0x6000b0caa00, 0x6000ccbcaa4, 0x6002b4acde8,
0x600042009a8)
ip:ip_fanout_proto_again 0x3ec(, 0x600042009a8, 0x600042009a8,
0x6002b4acde8)
ip:ip_proto_input 0xbf0(, 0x600107fca40, 0x6000ccbca94, 0x6002b4acde8,
0x600042009a8)
ip:ip_input 0x868(0x600042009a8, 0x600093b2040, 0x600107fca40, , ,
0xffffffff)
dls:soft_ring_drain 0x7c(0x60012a17d80, 0xffffffffffffffff, , , , 0x0)
dls:soft_ring_worker 0x64(0x60012a17d80, 0x0)
unix:thread_start 0x4()

<*来源：sun alert notification

链接：http://secunia.com/advisories/29783/
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-66-235901-1
*>

建议：
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厂商补丁：

sun
---
sun已经为此发布了一个安全公告（sun-alert-235901）以及相应补丁:
sun-alert-235901：a security vulnerability in the handling of self encapsulated ip packets may lead to a denial of service (dos) condition
链接：http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-66-235901-1