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2620: disable pdfjs scripting, v88 final

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Thorin-Oakenpants
2021-04-23 14:25:54 +00:00
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parent 9930cfbc07
commit da9f912862
1 changed files with 5 additions and 4 deletions
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user.js
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@@ -1,7 +1,7 @@
/****** /******
* name: arkenfox user.js * name: arkenfox user.js
* date: 06 April 2021 * date: 23 April 2021
* version 88-alpha * version 88
* url: https://github.com/arkenfox/user.js * url: https://github.com/arkenfox/user.js
* license: MIT: https://github.com/arkenfox/user.js/blob/master/LICENSE.txt * license: MIT: https://github.com/arkenfox/user.js/blob/master/LICENSE.txt
@@ -1163,17 +1163,18 @@ user_pref("webchannel.allowObject.urlWhitelist", "");
* [3] CVE-2017-5383: https://www.mozilla.org/security/advisories/mfsa2017-02/ * [3] CVE-2017-5383: https://www.mozilla.org/security/advisories/mfsa2017-02/
* [4] https://www.xudongz.com/blog/2017/idn-phishing/ ***/ * [4] https://www.xudongz.com/blog/2017/idn-phishing/ ***/
user_pref("network.IDN_show_punycode", true); user_pref("network.IDN_show_punycode", true);
/* 2620: enforce Firefox's built-in PDF reader [SETUP-CHROME] /* 2620: enforce PDFJS, disable PDFJS scripting [SETUP-CHROME]
* This setting controls if the option "Display in Firefox" is available in the setting below * This setting controls if the option "Display in Firefox" is available in the setting below
* and by effect controls whether PDFs are handled in-browser or externally ("Ask" or "Open With") * and by effect controls whether PDFs are handled in-browser or externally ("Ask" or "Open With")
* PROS: pdfjs is lightweight, open source, and as secure/vetted as any pdf reader out there (more than most) * PROS: pdfjs is lightweight, open source, and as secure/vetted as any pdf reader out there (more than most)
* Exploits are rare (1 serious case in 4 yrs), treated seriously and patched quickly. * Exploits are rare (one serious case in seven years), treated seriously and patched quickly.
* It doesn't break "state separation" of browser content (by not sharing with OS, independent apps). * It doesn't break "state separation" of browser content (by not sharing with OS, independent apps).
* It maintains disk avoidance and application data isolation. It's convenient. You can still save to disk. * It maintains disk avoidance and application data isolation. It's convenient. You can still save to disk.
* CONS: You may prefer a different pdf reader for security reasons * CONS: You may prefer a different pdf reader for security reasons
* CAVEAT: JS can still force a pdf to open in-browser by bundling its own code (rare) * CAVEAT: JS can still force a pdf to open in-browser by bundling its own code (rare)
* [SETTING] General>Applications>Portable Document Format (PDF) ***/ * [SETTING] General>Applications>Portable Document Format (PDF) ***/
user_pref("pdfjs.disabled", false); // [DEFAULT: false] user_pref("pdfjs.disabled", false); // [DEFAULT: false]
user_pref("pdfjs.enableScripting", false); // [FF86+]
/* 2621: disable links launching Windows Store on Windows 8/8.1/10 [WINDOWS] ***/ /* 2621: disable links launching Windows Store on Windows 8/8.1/10 [WINDOWS] ***/
user_pref("network.protocol-handler.external.ms-windows-store", false); user_pref("network.protocol-handler.external.ms-windows-store", false);
/* 2622: enforce no system colors; they can be fingerprinted /* 2622: enforce no system colors; they can be fingerprinted