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trium

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    The Firefox/Mozilla Thread

    in Software

    Posted

    ff v82.0.1

    27. october 2020

    Fixed

    • Avoid an unnecessary prompt to reboot when using the full installer on Windows (bug 1671715)

    • Restored the ability to print on paper whose width or height is larger than 100 inches, e.g. for receipts (bug 1672370)

    • Fixed printing of documents with margins of zero, e.g. some PDFs (bug 1672529)

    • Fixed handling of the WebDriver:ClickElement command in the marionette testing framework (bug 1666755)

    • Stability fix (bug 1660539)

    The Firefox/Mozilla Thread

    in Software

    Posted

    ff v78.4.0 esr

    20. october 2020

    Fixed

    Quote

    Security Vulnerabilities fixed in Firefox ESR 78.4

    Announced October 20, 2020
    Impact high
    Products Firefox ESR
    Fixed in
    • Firefox ESR 78.4

    #CVE-2020-15969: Use-after-free in usersctp

    Reporter Mark Wodrich of Google
    Impact high
    Description

    A use-after-free bug in the usersctp library was reported upstream. We assume this could have led to memory corruption and a potentially exploitable crash.

    References

    #CVE-2020-15683: Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4

    Reporter Mozilla developers and community
    Impact high
    Description

    Mozilla developers and community members Jason Kratzer, Simon Giesecke, Philipp, and Christian Holler reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

    References

    The Firefox/Mozilla Thread

    in Software

    Posted

    ff v82.0

    20. october 2020

    New

    • With this release, Firefox introduces a number of improvements that make watching videos more delightful:

      • the Picture-In-Picture button has a new look and position, making it easier for you to find and use the feature.
      • Picture-In-Picture now has a keyboard shortcut for Mac users (Option + Command + Shift + Right bracket) that works before you start playing the video.
      • For Windows users, Firefox now uses DirectComposition for hardware decoded video, which will improve CPU and GPU usage during video playback, improving battery life.

    • Firefox is faster than ever with improved performance on both page loads and start up time:

      • Websites that use flexbox-based layouts load 20% faster than before;
      • Restoring a session is 17% quicker, meaning you can more quickly pick up where you left off;
      • For Windows users, opening new windows got quicker by 10%.

    • You can now explore new articles when you save a webpage to Pocket from the Firefox toolbar.

    • WebRender continues to roll out to more Firefox users on Windows.

    Fixed

    • Screen reader features which report paragraphs now correctly report paragraphs in Firefox instead of lines.

    • Various security fixes

    Changed

    • Credit card auto-fill is now more accessible with the card type, and the card number in the card editor now available to screen readers.

    • Printing dialog errors for invalid form entries are now reported to screen readers.

    Developer

    Developer Information

    • MediaSession API has been enabled by default which allows web authors to provide custom behaviors for standard media playback interactions, giving them more options than ever.

    • DevTools now shows server side events in the Network panel. This allows a server to send new data to a web page at any time allowing developers to see events they previously couldn't and help with lower-level troubleshooting.

    "old" Piriform-Community closed?

    in The Lounge

    Posted

    since 12. october show me ff the following redirection mistake...

     

    Quote

     

    forum.piriform.com verwendet ein ungültiges Sicherheitszertifikat. Das Zertifikat ist am Montag, 12. Oktober 2020 14:00 abgelaufen. Die aktuelle Zeit ist Samstag, 17. Oktober 2020 22:37.

    Fehlercode: SEC_ERROR_EXPIRED_CERTIFICATE

     

     

    Quote

    forum.piriform.com is using an invalid security certificate. The certificate expired on Monday, October 12, 2020 14:00.

    would this be renewed or not for this older forumslink?

    The Firefox/Mozilla Thread

    in Software

    Posted

    ff v81.0.1

    01. october 2020

    Fixed

    ublock users

    in Software

    ublock users

    in Software

    Posted

    ublock v1.30.0

    gorhill released this

    4 days ago

    Summary

    Important: The compile format of filter lists has changed, and this means upon update uBO will have to recompile all filter lists, so this may cause a longer delay at launch the first time uBO is launched after being updated. This is a one time event.

    The cloud storage feature has been improved in a number of ways:

    • Better reporting of error conditions in the user interface;
    • User interface widget to report storage used/total/max;
    • Support for compressing cloud storage data.

    Improved "My rules" user interface:

    • Ability to sort rules by type, source, or destination;
    • Ability to show changes only.

    Added support to chain :style(...) operator to procedural operators.

    The element picker has been refactored to fix long standing issues (including some not reported in the issue tracker). The Ctrl key is no longer used to control the specificity of a candidate filter, and new widgets have been introduced for the purpose of more easily tuning the depth and specificity.

    The click-to-subscribe feature has been reworked and is now allowed only on a select number of domains, currently: https://easylist.to/, https://fanboy.co.nz/, https://filterlists.com/, https://forums.lanik.us/, https://github.com/, https://github.io/.

    The concept of "bad list" has been introduced, to prevent users from unwittingly end up using what are deemed "bad lists" by the uBO team. Some "bad lists" will be completely ignored and importing them will be forbidden by uBO. This restriction can be bypassed by users by simply appending a dummy query parameter to the URL of the list.

    Closed as fixed:

    Firefox for Android

    Core

    Notable commits with no entry in issue tracker:

    The Firefox/Mozilla Thread

    in Software

    Posted

    ff v78.3.0 esr

    22. sept. 2020

    Fixed

     

     

    Quote

     

    Security Vulnerabilities fixed in Firefox ESR 78.3

    Announced September 22, 2020
    Impact moderate
    Products Firefox ESR
    Fixed in
    • Firefox ESR 78.3

    #CVE-2020-15677: Download origin spoofing via redirect

    Reporter Richard Thomas and Tom Chothia of University of Birmingham
    Impact moderate
    Description

    By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog to show the original site (the one suffering from the open redirect) rather than the site the file was actually downloaded from.

    References

    #CVE-2020-15676: XSS when pasting attacker-controlled data into a contenteditable element

    Reporter Daniel Fröjdendahl
    Impact moderate
    Description

    Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element.

    References

    #CVE-2020-15678: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario

    Reporter Lukas Bernhard
    Impact moderate
    Description

    When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not follow iterator invalidation rules.

    References

    #CVE-2020-15673: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3

    Reporter Jason Kratzer
    Impact high
    Description

    Mozilla developer Jason Kratzer reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

    References

     

    The Firefox/Mozilla Thread

    in Software

    Posted

    ff v78.2.0 esr

    25. august 2020

    Fixed

     

     

    Quote

     

    Security Vulnerabilities fixed in Firefox ESR 78.2

    Announced August 25, 2020
    Impact high
    Products Firefox ESR
    Fixed in
    • Firefox ESR 78.2

    #CVE-2020-15663: Downgrade attack on the Mozilla Maintenance Service could have resulted in escalation of privilege

    Reporter Xiaoyin Liu
    Impact high
    Description

    If Firefox is installed to a user-writable directory, the Mozilla Maintenance Service would execute updater.exe from the install location with system privileges. Although the Mozilla Maintenance Service does ensure that updater.exe is signed by Mozilla, the version could have been rolled back to a previous version which would have allowed exploitation of an older bug and arbitrary code execution with System Privileges.
    Note: This issue only affected Windows operating systems. Other operating systems are unaffected.

    References

    #CVE-2020-15664: Attacker-induced prompt for extension installation

    Reporter Kaizer Soze
    Impact high
    Description

    By holding a reference to the eval() function from an about:blank window, a malicious webpage could have gained access to the InstallTrigger object which would allow them to prompt the user to install an extension. Combined with user confusion, this could result in an unintended or malicious extension being installed.

    References

    #CVE-2020-15670: Memory safety bugs fixed in Firefox 80 and Firefox ESR 78.2

    Reporter Mozilla developers and community
    Impact high
    Description

    Mozilla developers Jason Kratzer, Christian Holler, and Byron Campen reported memory safety bugs present in Firefox 79 and Firefox ESR 78.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

    References

    The Firefox/Mozilla Thread

    in Software

    Posted

    ff v78.1.0 esr

    28. july 2020

    Fixed

     

     

    Quote

     

    Security Vulnerabilities fixed in Firefox ESR 78.1

    Announced July 28, 2020
    Impact high
    Products Firefox ESR
    Fixed in
    • Firefox ESR 78.1

    #CVE-2020-15652: Potential leak of redirect targets when loading scripts in a worker

    Reporter Mikhail Oblozhikhin
    Impact high
    Description

    By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script.

    References

    #CVE-2020-6514: WebRTC data channel leaks internal address to peer

    Reporter Natalie Silvanovich of Google Project Zero
    Impact high
    Description

    WebRTC used the memory address of a class instance as a connection identifier. Unfortunately, this value is often transmitted to the peer, which allows bypassing ASLR.

    References

    #CVE-2020-15655: Extension APIs could be used to bypass Same-Origin Policy

    Reporter Rob Wu
    Impact high
    Description

    Mozilla Developer Rob Wu discovered that a redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information.

    References

    #CVE-2020-15653: Bypassing iframe sandbox when allowing popups

    Reporter Anne van Kesteren
    Impact moderate
    Description

    Mozilla developer Anne van Kesteren discovered that <iframe sandbox> with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content.

    References

    #CVE-2020-6463: Use-after-free in ANGLE gl::Texture::onUnbindAsSamplerTexture

    Reporter Reported by Pawel Wylecial of REDTEAM.PL
    Impact moderate
    Description

    Crafted media files could lead to a race in texture caches, resulting in a use-after-free, memory corruption, and a potentially exploitable crash.

    References

    #CVE-2020-15656: Type confusion for special arguments in IonMonkey

    Reporter Carl Smith, working with Google Project Zero
    Impact moderate
    Description

    JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity.

    References

    #CVE-2020-15658: Overriding file type when saving to disk

    Reporter belden
    Impact low
    Description

    The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog.

    References

    #CVE-2020-15657: DLL hijacking due to incorrect loading path

    Reporter Steve Nyan Lin
    Impact low
    Description

    Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory.
    Note: This issue only affected Windows operating systems. Other operating systems are unaffected.

    References

    #CVE-2020-15654: Custom cursor can overlay user interface

    Reporter SophosLabs Offensive Security team
    Impact low
    Description

    When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work.

    References

    #CVE-2020-15659: Memory safety bugs fixed in Firefox 79 and Firefox ESR 78.1

    Reporter Mozilla developers and community
    Impact high
    Description

    Mozilla developers and community members Natalia Csoregi, Simon Giesecke, Jason Kratzer, Christian Holler, and Luke Wagner reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

    References

     

    •  

    The Firefox/Mozilla Thread

    in Software

    Posted

    ff v81.0

    22. sept. 2020

    New

    • You can pause and play audio or video in Firefox right from your keyboard or headset, giving you easy access to control your media when in another Firefox tab, another program, or even when your computer is locked.

    • In addition to our default, dark and light themes, with this release, Firefox introduces the Alpenglow theme: a colorful appearance for buttons, menus, and windows. You can update your Firefox themes under settings or preferences.
      Alpenglow Theme Screenshot

    • For our users in the US and Canada, Firefox can now save, manage, and auto-fill credit card information for you, making shopping on Firefox ever more convenient. To ensure the smoothest experience, this will be rolling out to users gradually.

    • Firefox supports AcroForm, which will soon allow you to fill in, print, and save supported PDF forms and the PDF viewer also has a new fresh look.

    • Our users in Austria, Belgium and Switzerland using the German version of Firefox will now see Pocket recommendations in their new tab featuring some of the best stories on the web. If you don’t see them, you can turn on Pocket articles in your new tab by following these steps. In addition to Firefox’s new tab, Pocket is also available as an app on iOS and Android.

    Fixed

    • Various security fixes.

    • We’ve fixed a bug for users of language packs where the default language was reset to English after Firefox updates.

    • Browser native HTML5 audio/video controls received several important accessibility fixes:

      • Audio/video controls remain accessible to screen readers even when they are temporarily hidden visually.
      • Audio/video elapsed and total time are now accessible to screen readers where they weren't previously.
      • Various unlabelled controls are now labelled making them identifiable to screen readers.
      • Screen readers no longer intrusively report progress information unless the user requests it.

    Changed

    • You will soon find Picture-in-Picture more easily on all the videos you watch with new iconography.

    • The bookmarks toolbar is now automatically revealed once bookmarks are imported into Firefox, making it easier to find your most important websites.

    • We have expanded our supported file types - .xml, .svg, and .webp - so files you’ve downloaded can be opened right in Firefox.

    Enterprise

    Developer

    Developer Information

    • TypeScript files are now properly identified in the Debugger panel and labeled with corresponding icons making it easier for you to find these files in the list.

    • HTTP JSON responses using XSSI prevention characters are properly parsed and JSON data presented in a form of an expandable tree. This allows easy inspection of such HTTP responses through traditional (expandable) tree UI.

    • It’s possible to pause on script first statement, which is useful e.g. in cases where developers want to debug side effects caused by script execution or timers.

    • The color vision deficiency simulation in the accessibility panel of Developer Tools is now more accurate. We removed protanomaly, deuteranomaly and tritanomaly and added achromatopsia.

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