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中华网络安全联盟 来源：奇趣 时间：2006-12-8 21:29:05
发布日期：2006-12-04
更新日期：2006-12-08
受影响系统：Novell Client 4.91 SP2
Novell Client 4.91 SP1
Novell Client 4.91 不受影响系统：Novell Client 4.91 SP3 描述：
BUGTRAQ ID: 21430
Novell Client是允许NetWare连接到Windows的工作站软件。
Novell Client在处理畸形请求报文时存在漏洞，远程攻击者可能利用此漏洞导致服务器拒绝服务。
如果向Novell Client的427端口发送了特制报文的话，就会导致srvloc.sys中出现以下拒绝服务情况：
IRQL_NOT_LESS_OR_EQUAL (a)
An attempt was made to access a pageable (or completely invalid) address at
an
interrupt request level (IRQL) that is too high. This is usually
caused by drivers using improper addresses.
If a kernel debugger is available get the stack backtrace.
Arguments:
Arg1: 00000006, memory referenced
Arg2: 00000002, IRQL
Arg3: 00000000, value 0 = read operation, 1 = write operation
Arg4: 804204bd, address which referenced memory
<*来源：Tyler Krpata
链接：http://secunia.com/advisories/23244/
https://secure-support.novell.com/KanisaPlatform/Publishing/859/3480790_f.SAL_Public.html
*>
建议：
厂商补丁：
Novell
------
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：
http://support.novell.com/security-alerts |
