{"id":1090,"date":"2016-06-02T19:39:14","date_gmt":"2016-06-02T11:39:14","guid":{"rendered":"http:\/\/zerobox.org\/notes\/?p=1090"},"modified":"2016-06-02T19:39:14","modified_gmt":"2016-06-02T11:39:14","slug":"%e9%ab%98%e5%8d%b1%e6%bc%8f%e6%b4%9e-imagemagick%e5%9b%be%e8%b1%a1%e5%a4%84%e7%90%86%e8%bd%af%e4%bb%b6%e5%ad%98%e5%9c%a8%e8%bf%9c%e7%a8%8b%e4%bb%a3%e7%a0%81%e6%89%a7%e8%a1%8c%e6%bc%8f%e6%b4%9e","status":"publish","type":"post","link":"http:\/\/zerobox.org\/notes\/1090.html","title":{"rendered":"\u9ad8\u5371\u6f0f\u6d1e-ImageMagick\u56fe\u8c61\u5904\u7406\u8f6f\u4ef6\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"},"content":{"rendered":"

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ImageMagick\u56e2\u961f\u5df2\u7ecf\u627f\u8ba4\u4e86\u6b64\u6f0f\u6d1e\uff0c\u79f0\uff1a<\/p>\n

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Web\u7ba1\u7406\u5458\u540c\u65f6\u88ab\u5efa\u8bae\u5728\u6587\u4ef6\u53d1\u9001\u7ed9ImageMagick\u5904\u7406\u524d\uff0c\u68c0\u67e5\u6587\u4ef6\u7684magic bytes\u3002Magic bytes\u662f\u4e00\u4e2a\u6587\u4ef6\u7684\u524d\u51e0\u4e2a\u5b57\u8282\uff0c\u88ab\u7528\u4e8e\u8bc6\u522b\u56fe\u50cf\u7c7b\u578b\uff0c\u4f8b\u5982GIF\uff0cJPEG\u548cPNG\u7b49\u3002<\/p>\n
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push graphic-context<\/p>\n
viewbox 0 0 640 480<\/p>\n
fill \u2018url(https:\/\/example.com\/image.jpg<\/a>\u201c|ls \u201c-la)\u2019<\/p>\n
pop graphic-context<\/p><\/blockquote>\n
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convert exploit.jpg out.png<\/p><\/blockquote>\n
\u662f\u7684\uff0cImageMagick\u5c06\u4f1a\u53bb\u6267\u884c\u5d4c\u5165\u7684\u4ee3\u7801\uff1als -l\u547d\u4ee4\u3002<\/p>\n
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\n
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\u9884\u8b66\uff1a<\/h2>\n
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\u6f0f\u6d1e\u63cf\u8ff0\uff1a<\/h3>\n
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\u5f71\u54cd\u5f71\u54cd\u8303\u56f4\uff1a<\/h3>\n
1\u3001\u8c03\u7528ImageMagick\u7684\u5e93\u5b9e\u73b0\u56fe\u7247\u5904\u7406\u548c\u6e32\u67d3\u7684\u5e94\u7528\u3002<\/p>\n
ImageMagick \u4e3a\u591a\u79cd\u8bed\u8a00\u63d0\u4f9b\u4e86api\u3002<\/p>\n
2\u3001\u5f88\u591a\u6d41\u884c\u7684\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff08CMS\uff09\u4f7f\u7528\u4e86ImageMagick \uff0c\u4f8b\u5982 WordPress \u7684\u56fe\u7247\u5904\u7406\u63d2\u4ef6\u5df2\u88ab\u8bc1\u5b9e\u5b58\u5728\u8fdc\u7a0b\u547d\u4ee4\u6267\u884c\u7684\u6f0f\u6d1e\uff08Author \u53ca\u4ee5\u4e0a\u6743\u9650\u7528\u6237\u6267\u884c\uff09\u3002<\/p>\n
\u5176\u4ed6\u4f8b\u5982MediaWiki\u3001phpBB\u548cvBulletin \u4f7f\u7528\u4e86ImageMagick \u5e93\u751f\u6210\u7f29\u7565\u56fe\uff0c\u8fd8\u6709\u4e00\u4e9b\u7a0b\u5e8f\u5982LyX\u4f7f\u7528ImageMagick\u8f6c\u6362\u56fe\u7247\u683c\u5f0f\u3002\u4ee5\u4e0a\u5e94\u7528\u53ef\u80fd\u53d7\u5230\u6b64\u6f0f\u6d1e\u5f71\u54cd\u3002<\/p>\n
3\u3001\u5982\u679c\u901a\u8fc7shell \u4e2d\u7684convert \u547d\u4ee4\u5b9e\u73b0\u4e00\u4e9b\u56fe\u7247\u5904\u7406\u529f\u80fd\uff0c\u4e5f\u4f1a\u53d7\u5230\u6b64\u6f0f\u6d1e\u5f71\u54cd\u3002<\/p>\n
\u6f0f\u6d1e\u7b49\u7ea7\uff1a<\/h3>\n
\u9ad8\u5371<\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a\u5b98\u65b9\u65b9\u6848<\/a><\/h3>\n
\u901a\u8fc7\u914d\u7f6e\u7b56\u7565\u6587\u4ef6\u6682\u65f6\u7981\u7528ImageMagick\uff0c\u53ef\u5728 \u201c\/etc\/ImageMagick\/policy.xml\u201d \u6587\u4ef6\u4e2d\u6dfb\u52a0\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n
<policymap>\r\n  <policy domain=\"coder\" rights=\"none\" pattern=\"EPHEMERAL\" \/>\r\n  <policy domain=\"coder\" rights=\"none\" pattern=\"URL\" \/>\r\n  <policy domain=\"coder\" rights=\"none\" pattern=\"HTTPS\" \/>\r\n  <policy domain=\"coder\" rights=\"none\" pattern=\"MVG\" \/>\r\n  <policy domain=\"coder\" rights=\"none\" pattern=\"MSL\" \/>\r\n<\/policymap>\r\n<\/code><\/pre>\n\u66f4\u591a\u4fe1\u606f\uff1a<\/h3>\nimagetragick.com \uff1a ImageMagick Is On Fire\u200a\u2014\u200aCVE-2016\u20133714 TL;DR<\/a><\/p>\n
\u6f0f\u6d1e\u672c\u5730\u68c0\u6d4bPOC \uff1aGitHub<\/a><\/p>\n
* \u539f\u6587\u94fe\u63a5\uff1athehackernews<\/a>\uff0ctheregister<\/a>\uff0cwatcher\u7f16\u8bd1\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81eaFreeBuf\u9ed1\u5ba2\u4e0e\u6781\u5ba2\uff08FreeBuf.COM\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
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\u7ee7\u7eed\u9605\u8bfb »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[241],"class_list":["post-1090","post","type-post","status-publish","format-standard","hentry","tag-imagemagick"],"views":3942,"_links":{"self":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts\/1090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/comments?post=1090"}],"version-history":[{"count":0,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts\/1090\/revisions"}],"wp:attachment":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/media?parent=1090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/categories?post=1090"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/tags?post=1090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

\u6f0f\u6d1e\u7b49\u7ea7\uff1a<\/h3>\n\u9ad8\u5371<\/p>\n

\u6f0f\u6d1e\u7b49\u7ea7\uff1a<\/h3>\n
\u9ad8\u5371<\/p>\n