Microsoft Edge浏览器click2play默认Flash白名单-(Bypass Flash XSS?)

在Windows系统里,在系统目录中(C:\Windows\system32\)有一个叫edgehtmlpluginpolicy.bin的文件,其中包含了默认的域名白名单。可以绕过Flash Click2Play并直接加载Flash内容,而在Microsoft Edge浏览器中无需用户确认。

    这是一个包含多条记录的二进制文件,其记录格式为
    (32字节)为宽字节字符串表示的域名sha526哈希后的结果。
    (4字节)权限标记,用来描述允许加载Flash的状态

哈希 明文
01d004ae59fe9d0902b0e4526999432118199654f78b0384e4eb983e986d562d www.pogo.com
0309388894379c1e0d01081f6f4d5d4412a82dc5b9bd66476de2270b361cecfd www.wasu.cn
0ae9eeba3229fa449ff5fcf42692cad2305e14933a6102187e94c48346ab8c9d www.tvnow.de
0bc8e61a5970eb325f02148c05b79d60a9a0462efc18a6a60b7f8cd2dc84ccbc chushou.tv
0bfc80d67c9b57f3f1bb978344c8d8d6ac19786e261f98c1c9735f6ba5ec344c more2.starfall.com
1136593de37540f6f5396fdbbf93aa070c2b1c844d2d3d06de5373831a9df3bf loa.gtarcade.com
12055be963e0f2c7786d1283d343afbaac921513a985a21f5f83b6a82b9582e9 nseindia.com
12c3d9b1a0a1f33a7d7ab1b4ccb53c1163210ee527ad5336175eb40ff1fcfe45 N / A
2135e9b55346dd4146bbfae6f0cc896a39688d3287a952f63ae222837e5de152 www.wgt.com
22af4cad3e57873a50693fe36d6385795ae6c56e4d0d759530f263db571a6b2c netgauge.unitel.ao
2df0e6efc506a72a4c9e91ebebe70cf8252f1ffbd8b483043b1a856b75d13ce9 www.icourses.cn
2f87a652a9d2880a3ad580ec4a91bde3f4d2d32ac8f792d4258518d46330870f www.la7.it
2f9f879f017ebe4d6f71a0755eee3b08a5f757c0d011112ded94e6b337b3b520 www.dgestilistas.es
348374ff89afe5693015c3d38758c83867c180a8010372a564c8f5eeaf9b5d0b www.zxxk.com
3c23924f2f71c05d3b484fbaaa6e4ab4319d5bb3f0a002688132aa0f8434fd3b weathernews.jp
46bdf3a01ab608d1a5e68923532e610ff7725a68d4bb063c96c8dedd4617404a bigfarm.goodgamestudios.com
4740f56f40ed20eddb576ae29fdf0c507dd06681e949bda8be5611eaf3ad9d3d www.facebook.com
4779eb7f42cc6736ca2b1e52449799705214f2542fa4cf952e741d8dd5efad31 www.deezer.com
4f5db25a3bd2f1abf3dd1a509b2e1a6d81b9ba4428f333454c29d93e794150bc N / A
515563682e9bfc44b6fed4459149f83ba7f207bf53f6a0208156ac7c46e59d92 yahoo-mbga.jp
51bfa3e340a5ff7dfa37ad7ad409e5a214caadd0f82fc1fef82d38b766c2f088 ok.ru
563d53ee90b355ebd7558c2d9f3bee94489d406c565f9ed5741fb59bbc734544 seer.61.com
5b13e0a388860a0f136eefdd36d2f57fb81f46588ca85e7d93a4fd24cf6462f8 empire.goodgamestudios.com
5e7fc524d10f21da23bc43f24de00967094d69d6f4ccda277fff7042024c3ce5 www.friv.com
5f832e1442b497050d79cd18b32de807e4201a3181929ade823112defa6c1079 video.baomihua.com
64e2991629e5e208874400bc1ea0161fb064f1c2397b1cedc3bb282ea3f4ee3b hiztesti.turktelekom.com.tr
6793b64c0ccc547a01b8b6982318e25ae3dc0b91dfc09366c7f1f1b3a7fa127e www.scholastic.com
68fc10e638f0bb2e25149d2ef8d3d87cf318bbf2de7c9aa74131d53e926fe79e www.viz.com
881bcca2199248b7c82ed14cb1dbd6e87ac9ea899d1f9f02d13d29e837487782 www.dilidili.wang
89ac7d2d82b6a2ef952e3d627853180fb250167ed56b893647814e8374d4f5cd games.aarp.org
900da7ee51cf43450699d9cd11e3cf6ba8d2d04d9d836cd359281d7791e328af www.douyu.com
9adea347b4e793529c9a5e1a35e2aa7c88772b7e2a086d2d24a4f8ccbb20e3ac rc.qzone.qq.com
9c97a59b30e879d3245139795adea4380f62e4e14149025f12f69eb3b532e518 www.nicovideo.jp
a2cf2fe6a8822459d81d15b1327b5bac601bafc460fafa716bc2dcc21e9ab50e www.mynet.com
a77de76633b0717c62034512fb5c3fbb50633ad9b5ebef7a8acf180e455a3025 www.hotstar.com
ad973e7d68dd2c1a8e9f04886e34db40021e1e76eff3bbc53e7ab8934688a4ed www.4399.com
b61f47eb2fc64b2ad7ee4ae780ea0ac1a886b4f02f1ec8da77db13f920b4874b www.bilibili.com
ba33c2367ea9f0c66b5b3f345be68a0287a96ca797654c0bf9b2e584d2809ccb www.msn.com
ba3bc78ec1f427cba6e22cbd63dae305814ca0f0740c0dbd494f804fcaef671a zone.msn.com
c2fda282c3b5875eaeb6d27ecf62b995684d5739ba1e4082d265dd28dd98ef70 www.worldsurfleague.com
ca6efef88504373a9406ed9a31b430d6df8bb60ea630ac698b0d7c4dab0faf7a www.stupidvideos.com
d833be74b7f95eb0ac133c5aa06c71b7792b5051b1a369740694e78525a4d872 entitlement.auth.adobe.com
dd0f56a6b1a1f2908f4ff45438ffa5e05679375ed0aade8e3ab36bf4c0bd40f4 video.fc2.com
dd2ab62df5da52e66844171efc4415a087cc1a8c432312d814a62da582f40e2d www.ontvtime.ru
ddf38cb97def571ec55f58d372db15fe6ee01578adc85b1087823d239d758af8 apps.facebook.com
e2f07d2fb0e6beac78d55962dda9ebcedba6c3ba30bf83b0880fae69d29537bf www.totaljerkface.com
e35635613116ae9266c41348d2f4978f093c2fe75ae91f010ad23c1be31b833c www.hungamatv.com
e39ce3cd42a88216ff9060e8b136bdc153f52322f259321a5925e629659684f8 edu.glogster.com
e4003a967100eb3a92e9148a51e7cd302e6ca4bcc34566c671378a4b0756ef66 v.pptv.com
e4dcd660eae7eeb1ea42050b6dcb108a9bedf1a66e3791438c6abe1efc907e1b life.pigg.ameba.jp
e57c8c0083d4ea6fb4b390682d8ad3dffaeda2d37d1c11b9d29418b4a318e1a9 www.panda.tv
e7bce4b54da6dda25cabbe9da2359fe2833c94ec1ce3edd67077a089ed76ef31 www.vudu.com
e9ce06c9a6a05878802f64fac17399cc0a8452c652403445995a90dc9b19401d www.nseindia.com
ef7f6be560fb99cff749ac35415beeed4aa86f40e10138858289dde1284661c9 music.microsoft.com
f2313491b771d1180f9c4e9cf979820e276a7833859555976dbf4a529cb2189f en.ikariam.gameforge.com
f4f46a8b3a55ffb3e3784e6743266ed8d7cd2fdd21f494a82e2772fc68590d1b www.deraktionaer.tv
fcb0eec77983791a7eeb971a2320f38cdbac2ca16cf3f418f83a00a4338eafd4 www.a1.net
fee3af1754656ed83ba706b46c6fa570b020ff79ad84b5adee4882fbf6adaf0e www.poptropica.com

注:可以看到里面包含了PanDaTV以及4399和bilibili这类国内媒体大流量视频站,在Windows 10 v1803版本上,此文件包含58条记录。通过使用已知域名的字典,我设法破解了大部分域名(准确地说是56/58)且白名单的域名不限于HTTPS,因为有些域名根本不支持HTTPS。

即使已知域名中没有发现XSS漏洞,我们也可以根据MITM中间人攻击,将恶意JS通过DNS劫持的方式来绕过click2play

文章来源:https://bugs.chromium.org/p/project-zero/issues/detail?id=1722

原创文章,作者:absec,如若转载,请注明出处:http://absec.cn/?p=836

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