A heap use after free in PDFium in Google Chrome prior to 54.0.2840.59 for Windows, Mac, and Linux; 54.0.2840.85 for Android allows a remote attacker to potentially exploit heap corruption via crafted PDF files.

This update updates QtWebEngine to the 5.8.0 release. QtWebEngine 5.8.0 is part of the Qt 5.8.0 release, but only the QtWebEngine component is included in this update.

The update fixes the following security issues in QtWebEngine 5.7.1:
CVE-2016-5182, CVE-2016-5183, CVE-2016-5189, CVE-2016-5199, CVE-2016-5201, CVE-2016-5203, CVE-2016-5204, CVE-2016-5205, CVE-2016-5206, CVE-2016-5208, CVE-2016-5207, CVE-2016-5210, CVE-2016-5211, CVE-2016-5212, CVE-2016-5213, CVE-2016-5214, CVE-2016-5215. CVE-2016-5216, CVE-2016-5217, CVE-2016-5218, CVE-2016-5219, CVE-2016-5221, CVE-2016-5222, CVE-2016-5223, CVE-2016-5224, CVE-2016-5225, CVE-2016-9650 and CVE-2016-9651.

Other immediately usable changes in QtWebEngine 5.8 include :

  - Based on Chromium 53.0.2785.148 with security fixes from     Chromium up to version 55.0.2883.75. (5.7.1 was based on     Chromium 49.0.2623.111 with security fixes from Chromium     up to version 54.0.2840.87.)

  - The `view-source:` scheme is now supported.

  - User scripts now support metadata (`@include`,     `@exclude`, `@match`) as in Greasemonkey.

  - Some `chrome:` schemes now supported, for instance     `chrome://gpu`.

  - Several bugs were fixed, see     https://code.qt.io/cgit/qt/qtwebengine.git/tree/dist/cha     nges-5.8.0 for details.

The following changes in QtWebEngine 5.8 require compile-time application support and will only be available after applications are rebuilt (and patched to remove the checks for Qt 5.8, because Qt is still version 5.7.1, only QtWebEngine is being updated) :

  - Spellchecking with a forked version of Hunspell. This     Fedora package automatically converts system Hunspell     dictionaries (installed by system RPMs into the     systemwide location) to the Chromium `bdic` format used     by QtWebEngine (using an RPM file trigger). If you wish     to use dictionaries installed manually, use the included     `qwebengine_convert_dict` tool. Alternatively, you can     also download dictionaries directly in the Chromium     `bdic` format.

  - Support for printing directly to a printer. (Note that     QupZilla already supports printing to a printer, because     it can use the printToPdf API that has existed since     QtWebEngine 5.7 to print to a printer with the help of     the `lpr` command-line tool. But other applications such     as KMail require the new direct printing API.)

  - Added a setting to enable printing of CSS backgrounds.

The following new QML APIs are available to developers :

  - Tooltips (HTML5 global title attribute) are now also     supported in the QML API.

  - Qt WebEngine (QML) allows defining custom dialogs /     context menus.

  - Qt WebEngine (QML) on `eglfs` uses builtin dialogs based     on Qt Quick Controls 2.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several vulnerabilities have been discovered in the chromium web browser.

  - CVE-2016-5181     A cross-site scripting issue was discovered.

  - CVE-2016-5182     Giwan Go discovered a heap overflow issue.

  - CVE-2016-5183     A use-after-free issue was discovered in the pdfium     library.

  - CVE-2016-5184     Another use-after-free issue was discovered in the     pdfium library.

  - CVE-2016-5185     cloudfuzzer discovered a use-after-free issue in     Blink/Webkit.

  - CVE-2016-5186     Abdulrahman Alqabandi discovered an out-of-bounds read     issue in the developer tools.

  - CVE-2016-5187     Luan Herrera discovered a URL spoofing issue.

  - CVE-2016-5188     Luan Herrera discovered that some drop down menus can be     used to hide parts of the user interface.

  - CVE-2016-5189     xisigr discovered a URL spoofing issue.

  - CVE-2016-5190     Atte Kettunen discovered a use-after-free issue.

  - CVE-2016-5191     Gareth Hughes discovered a cross-site scripting issue.

  - CVE-2016-5192     haojunhou@gmail.com discovered a same-origin bypass.

  - CVE-2016-5193     Yuyang Zhou discovered a way to pop open a new window.

  - CVE-2016-5194     The chrome development team found and fixed various     issues during internal auditing.

  - CVE-2016-5198     Tencent Keen Security Lab discovered an out-of-bounds     memory access issue in the v8 JavaScript library.

  - CVE-2016-5199     A heap corruption issue was discovered in the ffmpeg     library.

  - CVE-2016-5200     Choongwoo Han discovered an out-of-bounds memory access     issue in the v8 JavaScript library.

  - CVE-2016-5201     Rob Wu discovered an information leak.

  - CVE-2016-5202     The chrome development team found and fixed various     issues during internal auditing.

  - CVE-2016-5203     A use-after-free issue was discovered in the pdfium     library.

  - CVE-2016-5204     Mariusz Mlynski discovered a cross-site scripting issue     in SVG image handling.

  - CVE-2016-5205     A cross-site scripting issue was discovered.

  - CVE-2016-5206     Rob Wu discovered a same-origin bypass in the pdfium     library.

  - CVE-2016-5207     Mariusz Mlynski discovered a cross-site scripting issue.

  - CVE-2016-5208     Mariusz Mlynski discovered another cross-site scripting     issue.

  - CVE-2016-5209     Giwan Go discovered an out-of-bounds write issue in     Blink/Webkit.

  - CVE-2016-5210     Ke Liu discovered an out-of-bounds write in the pdfium     library.

  - CVE-2016-5211     A use-after-free issue was discovered in the pdfium     library.

  - CVE-2016-5212     Khalil Zhani discovered an information disclosure issue     in the developer tools.

  - CVE-2016-5213     Khalil Zhani discovered a use-after-free issue in the v8     JavaScript library.

  - CVE-2016-5214     Jonathan Birch discovered a file download protection     bypass.

  - CVE-2016-5215     Looben Yang discovered a use-after-free issue.

  - CVE-2016-5216     A use-after-free issue was discovered in the pdfium     library.

  - CVE-2016-5217     Rob Wu discovered a condition where data was not     validated by the pdfium library.

  - CVE-2016-5218     Abdulrahman Alqabandi discovered a URL spoofing issue.

  - CVE-2016-5219     Rob Wu discovered a use-after-free issue in the v8     JavaScript library.

  - CVE-2016-5220     Rob Wu discovered a way to access files on the local     system.

  - CVE-2016-5221     Tim Becker discovered an integer overflow issue in the     angle library.

  - CVE-2016-5222     xisigr discovered a URL spoofing issue.

  - CVE-2016-5223     Hwiwon Lee discovered an integer overflow issue in the     pdfium library.

  - CVE-2016-5224     Roeland Krak discovered a same-origin bypass in SVG     image handling.

  - CVE-2016-5225     Scott Helme discovered a Content Security Protection     bypass.

  - CVE-2016-5226     Jun Kokatsu discovered a cross-scripting issue.

  - CVE-2016-9650     Jakub Zoczek discovered a Content Security Protection     information disclosure.

  - CVE-2016-9651     Guang Gong discovered a way to access private data in     the v8 JavaScript library.

  - CVE-2016-9652     The chrome development team found and fixed various     issues during internal auditing.

Security fix for CVE-2016-5181, CVE-2016-5182, CVE-2016-5183, CVE-2016-5184, CVE-2016-5185, CVE-2016-5187, CVE-2016-5188, CVE-2016-5192, CVE-2016-5189, CVE-2016-5186, CVE-2016-5191, CVE-2016-5190, CVE-2016-5193, CVE-2016-5194

Security fix for CVE-2016-5198

Update to new stable, 54.0.2840.90.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Google Chrome Releases reports :

21 security fixes in this release, including :

- [645211] High CVE-2016-5181: Universal XSS in Blink. Credit to Anonymous

- [638615] High CVE-2016-5182: Heap overflow in Blink. Credit to Giwan Go of STEALIEN

- [645122] High CVE-2016-5183: Use after free in PDFium. Credit to Anonymous

- [630654] High CVE-2016-5184: Use after free in PDFium. Credit to Anonymous

- [621360] High CVE-2016-5185: Use after free in Blink. Credit to cloudfuzzer

- [639702] High CVE-2016-5187: URL spoofing. Credit to Luan Herrera

- [565760] Medium CVE-2016-5188: UI spoofing. Credit to Luan Herrera

- [633885] Medium CVE-2016-5192: Cross-origin bypass in Blink. Credit to haojunhou@gmail.com

- [646278] Medium CVE-2016-5189: URL spoofing. Credit to xisigr of Tencent's Xuanwu Lab

- [644963] Medium CVE-2016-5186: Out of bounds read in DevTools.
Credit to Abdulrahman Alqabandi (@qab)

- [639126] Medium CVE-2016-5191: Universal XSS in Bookmarks. Credit to Gareth Hughes

- [642067] Medium CVE-2016-5190: Use after free in Internals. Credit to Atte Kettunen of OUSPG

- [639658] Low CVE-2016-5193: Scheme bypass. Credit to Yuyang ZHOU (martinzhou96)

- [654782] CVE-2016-5194: Various fixes from internal audits, fuzzing and other initiatives

The remote host is affected by the vulnerability described in GLSA-201610-09 (Chromium: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in the Chromium web       browser. Please review the CVE identifiers referenced below for details.
  Impact :

    A remote attacker could possibly execute arbitrary code with the       privileges of the process, cause a Denial of Service condition, obtain       sensitive information, or bypass security restrictions.
  Workaround :

    There is no known workaround at this time.

Chromium was updated to 54.0.2840.59 to fix security issues and bugs.

The following security issues are fixed (bnc#1004465) :

  - CVE-2016-5181: Universal XSS in Blink

  - CVE-2016-5182: Heap overflow in Blink

  - CVE-2016-5183: Use after free in PDFium

  - CVE-2016-5184: Use after free in PDFium

  - CVE-2016-5185: Use after free in Blink

  - CVE-2016-5187: URL spoofing

  - CVE-2016-5188: UI spoofing

  - CVE-2016-5192: Cross-origin bypass in Blink

  - CVE-2016-5189: URL spoofing

  - CVE-2016-5186: Out of bounds read in DevTools

  - CVE-2016-5191: Universal XSS in Bookmarks

  - CVE-2016-5190: Use after free in Internals

  - CVE-2016-5193: Scheme bypass

The following bugs were fixed :

  - bnc#1000019: display issues in full screen mode, add
    --ui-disable-partial-swap to the launcher

The following packaging changes are included :

  - The desktop sub-packages are no obsolete

  - The package now uses the system variants of some bundled     libraries

  - The hangouts extension is now built

The version of Google Chrome installed on the remote macOS or Mac OS X host is prior to 54.0.2840.59. It is, therefore, affected by multiple vulnerabilities :

  - Multiple cross-site scripting vulnerabilities exists in     the Blink and Bookmarks components due to improper     validation of user-supplied input. An unauthenticated,     remote attacker can exploit these, via a specially     crafted request, to execute arbitrary script code in a     user's browser session. (CVE-2016-5181, CVE-2016-5191)

  - A heap-based buffer overflow condition exists in Blink     due to improper validation of user-supplied input. An     unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2016-5182)

  - Multiple use-after-free errors exist in PDFium that     allow an unauthenticated, remote attacker to execute     arbitrary code. (CVE-2016-5183, CVE-2016-5184)

  - A use-after-free error exists in Blink that allows an     unauthenticated, remote attacker to execute arbitrary     code. (CVE-2016-5185)

  - An out-of-bounds read error exists in the DevTools     component that allows an unauthenticated, remote     attacker to disclose memory contents. (CVE-2016-5186)

  - Multiple unspecified flaws exist that allow an     unauthenticated, remote attacker to spoof URLs.
    (CVE-2016-5187, CVE-2016-5189)

  - An unspecified flaw exists related to the display of     drop-down menus that allows an unauthenticated, remote     attacker to disguise user interface elements and conduct     spoofing attacks. (CVE-2016-5188)

  - A use-after-free error exists in the Internals component     that allows an unauthenticated, remote attacker to     execute arbitrary code. (CVE-2016-5190)

  - An unspecified flaw exists in Blink that allows an     unauthenticated, remote attacker to bypass Cross-Origin     Resource Sharing (CORS) restrictions. (CVE-2016-5192)

  - An unspecified flaw exists that allows an     unauthenticated, remote attacker to bypass schemes.
    (CVE-2016-5193)

  - Multiple unspecified flaws exist in the Skia component     that allow an unauthenticated, remote attacker to impact     integrity. (CVE-2016-5194)

  - A flaw exists in FrameView.cpp due to improper handling     of orthogonal writing mode roots with floating siblings.
    An unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2016-5194)

  - A flaw exists in permission_prompt_impl.cc due to     improper handling of permission bubbles. An     unauthenticated, remote attacker can exploit this, via a     specially crafted website performing timing attacks, to     obtain unintended permissions. (CVE-2016-5194)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Google Chrome installed on the remote Windows host is prior to 54.0.2840.59. It is, therefore, affected by multiple vulnerabilities :

  - Multiple cross-site scripting vulnerabilities exists in     the Blink and Bookmarks components due to improper     validation of user-supplied input. An unauthenticated,     remote attacker can exploit these, via a specially     crafted request, to execute arbitrary script code in a     user's browser session. (CVE-2016-5181, CVE-2016-5191)

  - A heap-based buffer overflow condition exists in Blink     due to improper validation of user-supplied input. An     unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2016-5182)

  - Multiple use-after-free errors exist in PDFium that     allow an unauthenticated, remote attacker to execute     arbitrary code. (CVE-2016-5183, CVE-2016-5184)

  - A use-after-free error exists in Blink that allows an     unauthenticated, remote attacker to execute arbitrary     code. (CVE-2016-5185)

  - An out-of-bounds read error exists in the DevTools     component that allows an unauthenticated, remote     attacker to disclose memory contents. (CVE-2016-5186)

  - Multiple unspecified flaws exist that allow an     unauthenticated, remote attacker to spoof URLs.
    (CVE-2016-5187, CVE-2016-5189)

  - An unspecified flaw exists related to the display of     drop-down menus that allows an unauthenticated, remote     attacker to disguise user interface elements and conduct     spoofing attacks. (CVE-2016-5188)

  - A use-after-free error exists in the Internals component     that allows an unauthenticated, remote attacker to     execute arbitrary code. (CVE-2016-5190)

  - An unspecified flaw exists in Blink that allows an     unauthenticated, remote attacker to bypass Cross-Origin     Resource Sharing (CORS) restrictions. (CVE-2016-5192)

  - An unspecified flaw exists that allows an     unauthenticated, remote attacker to bypass schemes.
    (CVE-2016-5193)

  - Multiple unspecified flaws exist in the Skia component     that allow an unauthenticated, remote attacker to impact     integrity. (CVE-2016-5194)

  - A flaw exists in FrameView.cpp due to improper handling     of orthogonal writing mode roots with floating siblings.
    An unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2016-5194)

  - A flaw exists in permission_prompt_impl.cc due to     improper handling of permission bubbles. An     unauthenticated, remote attacker can exploit this, via a     specially crafted website performing timing attacks, to     obtain unintended permissions. (CVE-2016-5194)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

An update for chromium-browser is now available for Red Hat Enterprise Linux 6 Supplementary.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Chromium is an open source web browser, powered by WebKit (Blink).

This update upgrades Chromium to version 54.0.2840.59.

Security Fix(es) :

* Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Chromium to crash, execute arbitrary code, or disclose sensitive information when visited by the victim. (CVE-2016-5181, CVE-2016-5182, CVE-2016-5183, CVE-2016-5184, CVE-2016-5185, CVE-2016-5187, CVE-2016-5194, CVE-2016-5186, CVE-2016-5188, CVE-2016-5189, CVE-2016-5190, CVE-2016-5191, CVE-2016-5192, CVE-2016-5193)

ID	Name	Product	Family	Severity
101716	Fedora 26 : qt5-qtwebengine (2017-c5b2c9a435)	Nessus	Fedora Local Security Checks	high
99415	Fedora 25 : qt5-qtwebengine (2017-ae1fde5fb8)	Nessus	Fedora Local Security Checks	high
95667	Debian DSA-3731-1 : chromium-browser - security update	Nessus	Debian Local Security Checks	critical
94996	Fedora 25 : 1:chromium-native_client / chromium (2016-35049d9d97)	Nessus	Fedora Local Security Checks	critical
94987	Fedora 23 : chromium (2016-012de4c97e)	Nessus	Fedora Local Security Checks	critical
94661	Fedora 24 : 1:chromium-native_client / chromium (2016-c671aae490)	Nessus	Fedora Local Security Checks	critical
94450	FreeBSD : chromium -- multiple vulnerabilities (9118961b-9fa5-11e6-a265-3065ec8fd3ec)	Nessus	FreeBSD Local Security Checks	critical
94420	GLSA-201610-09 : Chromium: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	critical
94246	openSUSE Security Update : Chromium (openSUSE-2016-2597)	Nessus	SuSE Local Security Checks	high
94137	Google Chrome < 54.0.2840.59 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	critical
94136	Google Chrome < 54.0.2840.59 Multiple Vulnerabilities	Nessus	Windows	critical
94103	RHEL 6 : chromium-browser (RHSA-2016:2067)	Nessus	Red Hat Local Security Checks	critical

Detections

Analytics

CVE-2016-5183

high

Tenable Plugins

high

high

critical

critical

critical

critical

critical

critical

high

critical

critical

critical