|
| 1 | +// CVE-2019-10756 |
| 2 | +(function(content) { |
| 3 | + content = content.replace(/<.*cript.*\/scrip.*>/gi, ""); // NOT OK |
| 4 | + content = content.replace(/ on\w+=".*"/g, ""); // NOT OK |
| 5 | + content = content.replace(/ on\w+=\'.*\'/g, ""); // NOT OK |
| 6 | + return content; |
| 7 | +}); |
| 8 | +(function(content) { |
| 9 | + content = content.replace(/<.*cript.*/gi, ""); // NOT OK |
| 10 | + content = content.replace(/.on\w+=.*".*"/g, ""); // NOT OK |
| 11 | + content = content.replace(/.on\w+=.*\'.*\'/g, ""); // NOT OK |
| 12 | + |
| 13 | + return content; |
| 14 | +}); |
| 15 | + |
| 16 | +// CVE-2020-7656 |
| 17 | +(function(responseText) { |
| 18 | + var rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi; |
| 19 | + responseText.replace(rscript, ""); // NOT OK |
| 20 | + return responseText; |
| 21 | +}); |
| 22 | + |
| 23 | +// CVE-2019-1010091 |
| 24 | +(function(text) { |
| 25 | + text = text.replace(/<!--|--!?>/g, ""); // NOT OK |
| 26 | + return text; |
| 27 | +}); |
| 28 | +(function(text) { |
| 29 | + while (/<!--|--!?>/g.test(text)) { |
| 30 | + text = text.replace(/<!--|--!?>/g, ""); // OK |
| 31 | + } |
| 32 | + |
| 33 | + return text; |
| 34 | +}); |
| 35 | + |
| 36 | +// CVE-2019-10767 |
| 37 | +(function(id) { |
| 38 | + id = id.replace(/\.\./g, ""); // NOT OK |
| 39 | + return id; |
| 40 | +}); |
| 41 | +(function(id) { |
| 42 | + id = id.replace(/[\]\[*,;'"`<>\\?\/]/g, ""); // OK (or is it?) |
| 43 | + return id; |
| 44 | +}); |
| 45 | + |
| 46 | +// CVE-2019-8903 |
| 47 | +(function(req) { |
| 48 | + var REG_TRAVEL = /(\/)?\.\.\//g; |
| 49 | + req.url = req.url.replace(REG_TRAVEL, ""); // NOT OK |
| 50 | +}); |
| 51 | +(function(req) { |
| 52 | + var beg; |
| 53 | + for (var i = 0; i < req.url.length; i++) { |
| 54 | + if (req.url[i] === "." && req.url[i + 1] === "/") beg = i + 1; |
| 55 | + else if (req.url[i] === "?") break; |
| 56 | + } |
| 57 | + |
| 58 | + if (beg) req.url = req.url.substring(beg); |
| 59 | +}); |
| 60 | + |
| 61 | +// New cases |
| 62 | + |
| 63 | +(function(x) { |
| 64 | + x = x.replace(/<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/g, ""); // NOT OK |
| 65 | + |
| 66 | + x = x.replace(/(\/|\s)on\w+=(\'|")?[^"]*(\'|")?/g, ""); // NOT OK |
| 67 | + |
| 68 | + x = x.replace(/<\/script>/g, ""); // OK |
| 69 | + |
| 70 | + x = x.replace(/<(.)?br(.)?>/g, ""); // OK |
| 71 | + x = x.replace(/<\/?b>/g, ""); // OK |
| 72 | + x = x.replace(/<(ul|ol)><\/(ul|ol)>/gi, ""); // OK |
| 73 | + x = x.replace(/<li><\/li>/gi, ""); // OK |
| 74 | + |
| 75 | + x = x.replace(/<!--(.*?)-->/gm, ""); // NOT OK |
| 76 | + x = x.replace(/\sng-[a-z-]+/, ""); // OK (single ng-attribute, should be flagged by some other query!) |
| 77 | + x = x.replace(/\sng-[a-z-]+/g, ""); // NOT OK (ng-attributes) |
| 78 | + |
| 79 | + x = x.replace(/(<!--\[CDATA\[|\]\]-->)/g, "\n"); // OK: not a sanitizer |
| 80 | + |
| 81 | + x = x.replace(/<script.+desktop\-only.+<\/script>/g, ""); // OK, but still flagged [INCONSISTENCY] |
| 82 | + x = x.replace(/<script async.+?<\/script>/g, ""); // OK, but still flagged [INCONSISTENCY] |
| 83 | + x = x.replace(/<!--[\s\S]*?-->|<\?(?:php)?[\s\S]*?\?>/gi, ""); // NOT OK |
| 84 | + |
| 85 | + x = x.replace(/\x2E\x2E\x2F\x2E\x2E\x2F/g, ""); // NOT OK (matches "../../") |
| 86 | + |
| 87 | + x = x.replace(/<script.*>.*<\/script>/gi, ""); // NOT OK |
| 88 | + |
| 89 | + x = x.replace(/^(\.\.\/?)+/g, ""); // OK |
| 90 | + |
| 91 | + // NOT OK |
| 92 | + x = x.replace(/<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/g, function( |
| 93 | + $0 |
| 94 | + ) { |
| 95 | + return unknown ? $0 : ""; |
| 96 | + }); |
| 97 | + |
| 98 | + x = x.replace(/<\/?([a-z][a-z0-9]*)\b[^>]*>/gi, ""); // NOT OK [INCONSISTENCY] |
| 99 | + |
| 100 | + x = x.replace(/\.\./g, ""); // NOT OK |
| 101 | + x = x.replace(/\.\.\//g, ""); // NOT OK |
| 102 | + x = x.replace(/\/\.\./g, ""); // NOT OK |
| 103 | + |
| 104 | + x = x.replace(/<script(.*?)>([\s\S]*?)<\/script>/gi, ""); // NOT OK |
| 105 | + |
| 106 | + x = x.replace(/<(script|del)(?=[\s>])[\w\W]*?<\/\1\s*>/gi, ""); // NOT OK |
| 107 | + x = x.replace(/\<script[\s\S]*?\>[\s\S]*?\<\/script\>/g, ""); // NOT OK |
| 108 | + x = x.replace(/<(script|style|title)[^<]+<\/(script|style|title)>/gm, ""); // NOT OK |
| 109 | + x = x.replace(/<script[^>]*>([\s\S]*?)<\/script>/gi, ""); // NOT OK |
| 110 | + x = x.replace(/<script[\s\S]*?<\/script>/gi, ""); // NOT OK |
| 111 | + x = x.replace(/ ?<!-- ?/g, ""); // NOT OK |
| 112 | + x = x.replace(/require\('\.\.\/common'\);/g, ""); // OK [INCONSISTENCY] permit alphanum-suffix after the dots? |
| 113 | + x = x.replace(/\.\.\/\.\.\/lib\//g, ""); // OK [INCONSISTENCY] permit alphanum-suffix after the dots? |
| 114 | + |
| 115 | + return x; |
| 116 | +}); |
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