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 56.0.2924.76.

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-2017-5006, CVE-2017-5007, CVE-2017-5008, CVE-2017-5009, CVE-2017-5010, CVE-2017-5011, CVE-2017-5012, CVE-2017-5013, CVE-2017-5014, CVE-2017-5015, CVE-2017-5016, CVE-2017-5017, CVE-2017-5018, CVE-2017-5019, CVE-2017-5020, CVE-2017-5021, CVE-2017-5022, CVE-2017-5023, CVE-2017-5024, CVE-2017-5025, CVE-2017-5026)

The version of Google Chrome installed on the remote Windows host is prior to 56.0.2924.76. It is, therefore, affected by the following vulnerabilities :

  - A cross-site scripting (XSS) vulnerability exists in the     Document::shutdown() function in dom/Document.cpp due to     a failure to clear the owner's widget for a frame. An     unauthenticated, remote attacker can exploit this, via a     specially crafted request, to execute arbitrary script     code in a user's browser session. (CVE-2017-5006)

  - A cross-site scripting (XSS) vulnerability exists in the     Document::shutdown() function in dom/Document.cpp due to     a failure to properly suspend pages that are closing,     but not yet fully closed. An unauthenticated, remote     attacker can exploit this, via a specially crafted     request, to execute arbitrary script code in a user's     browser session. (CVE-2017-5007)

  - A cross-site scripting (XSS) vulnerability exists in the     compileAndRunPrivateScript() function in     PrivateScriptRunner.cpp due to a failure to properly     protect private scripts. An unauthenticated, remote     attacker can exploit this, via a specially crafted     request, to execute arbitrary script code in a user's     browser session. (CVE-2017-5008)

  - An out-of-bounds read error exists in the     UsingFlexibleMode() function in decoding_state.cc due to     improper handling of frames marked as using flexible     mode. An unauthenticated, remote attacker can exploit     this to execute arbitrary code. (CVE-2017-5009)

  - A cross-site scripting (XSS) vulnerability exists in     css/FontFace.cpp due to improper handling of FontFace     objects. An unauthenticated, remote attacker can exploit     this, via a specially crafted request, to execute     arbitrary script code in a user's browser session.
    (CVE-2017-5010)

  - An information disclosure vulnerability exists in the     Devtools component due to improper front-end URL     handling. An unauthenticated, remote attacker can     exploit this to disclose arbitrary files.
    (CVE-2017-5011)

  - A heap buffer overflow condition exists in Google V8 in     the SetupAllocatingData() function in objects.h that     occurs when failing to allocate array buffer contents.
    An unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2017-5012)

  - A flaw exists in the ShouldFocusLocationBarByDefault()     function in ui/browser.cc that is triggered when     handling NTP navigations in non-selected tabs. An     unauthenticated, remote attacker can exploit this to     spoof the address. (CVE-2017-5013)

  - A heap buffer overflow condition exists in Google Skia     due to improper validation of user-supplied input. An     unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2017-5014)

  - An unspecified flaw exists in Omnibox that allows an     unauthenticated, remote attacker to spoof the address.
    (CVE-2017-5015)

  - A flaw exists in the updateVisibleValidationMessage()     function in html/HTMLFormControlElement.cpp related to     the form validation bubble being displayed for invisible     pages. An unauthenticated, remote attacker can exploit     this to spoof the UI. (CVE-2017-5016)

  - An uninitialized memory access flaw exists in the webm     video processing implementation that allows an     unauthenticated, remote attacker to have an unspecified     impact. (CVE-2017-5017)

  - A cross-site scripting (XSS) vulnerability exists in the     App Launcher component due to a failure to properly     validate parameters. An unauthenticated, remote attacker     can exploit this, via a specially crafted request, to     execute arbitrary script code in a user's browser     session. (CVE-2017-5018)

  - A use-after-free error exists in the OnBeforeUnload()     function in render_frame_impl.cc. An unauthenticated,     remote attacker can exploit this to execute arbitrary     code. (CVE-2017-5019)

  - A cross-site scripting (XSS) vulnerability exists in     Blink due to a failure to properly validate input     related to chrome://downloads. An unauthenticated,     remote attacker can exploit this, via a specially     crafted request, to execute arbitrary script code in a     user's browser session. (CVE-2017-5020)

  - A use-after-free error exists in the Extensions     component. An unauthenticated, remote attacker can     exploit this to execute arbitrary code. (CVE-2017-5021)

  - A security bypass vulnerability exists in     frame/csp/ContentSecurityPolicy.cpp that allows an     unauthenticated, remote attacker to bypass the content     security policy (CSP). (CVE-2017-5022)

  - A type confusion flaw exists in the histogram collector     feature that is triggered when handling serialized     histograms. An unauthenticated remote attacker can     exploit this to crash the browser, resulting in a denial     of service condition. (CVE-2017-5023)

  - A heap buffer overflow condition exists in FFmpeg in the     mov_read_uuid() function in libavformat/mov.c due to     improper handling of overly long UUIDs. An     unauthenticated, remote attacker can exploit this to     cause a denial of service condition or the execution of     arbitrary code. (CVE-2017-5024)

  - A heap buffer overflow condition exists in FFmpeg in the     mov_read_hdlr() function in libavformat/mov.c due to     improper validation of user-supplied input when handling     titles. An unauthenticated, remote attacker can exploit     this to execute arbitrary code. (CVE-2017-5025)

  - An unspecified flaw exists that allows an     unauthenticated, remote attacker to spoof the UI.
    (CVE-2017-5026)

  - An unspecified flaw exists in Blink that allows an     unauthenticated, remote attacker to bypass the content     security policy. (CVE-2017-5027)

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

Google Chrome Releases reports :

51 security fixes in this release

Please reference CVE/URL list for details

The version of Google Chrome installed on the remote macOS or Mac OS X host is prior to 56.0.2924.76. It is, therefore, affected by the following vulnerabilities :

  - A cross-site scripting (XSS) vulnerability exists in the     Document::shutdown() function in dom/Document.cpp due to     a failure to clear the owner's widget for a frame. An     unauthenticated, remote attacker can exploit this, via a     specially crafted request, to execute arbitrary script     code in a user's browser session. (CVE-2017-5006)

  - A cross-site scripting (XSS) vulnerability exists in the     Document::shutdown() function in dom/Document.cpp due to     a failure to properly suspend pages that are closing,     but not yet fully closed. An unauthenticated, remote     attacker can exploit this, via a specially crafted     request, to execute arbitrary script code in a user's     browser session. (CVE-2017-5007)

  - A cross-site scripting (XSS) vulnerability exists in the     compileAndRunPrivateScript() function in     PrivateScriptRunner.cpp due to a failure to properly     protect private scripts. An unauthenticated, remote     attacker can exploit this, via a specially crafted     request, to execute arbitrary script code in a user's     browser session. (CVE-2017-5008)

  - An out-of-bounds read error exists in the     UsingFlexibleMode() function in decoding_state.cc due to     improper handling of frames marked as using flexible     mode. An unauthenticated, remote attacker can exploit     this to execute arbitrary code. (CVE-2017-5009)

  - A cross-site scripting (XSS) vulnerability exists in     css/FontFace.cpp due to improper handling of FontFace     objects. An unauthenticated, remote attacker can exploit     this, via a specially crafted request, to execute     arbitrary script code in a user's browser session.
    (CVE-2017-5010)

  - An information disclosure vulnerability exists in the     Devtools component due to improper front-end URL     handling. An unauthenticated, remote attacker can     exploit this to disclose arbitrary files.
    (CVE-2017-5011)

  - A heap buffer overflow condition exists in Google V8 in     the SetupAllocatingData() function in objects.h that     occurs when failing to allocate array buffer contents.
    An unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2017-5012)

  - A flaw exists in the ShouldFocusLocationBarByDefault()     function in ui/browser.cc that is triggered when     handling NTP navigations in non-selected tabs. An     unauthenticated, remote attacker can exploit this to     spoof the address. (CVE-2017-5013)

  - A heap buffer overflow condition exists in Google Skia     due to improper validation of user-supplied input. An     unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2017-5014)

  - An unspecified flaw exists in Omnibox that allows an     unauthenticated, remote attacker to spoof the address.
    (CVE-2017-5015)

  - A flaw exists in the updateVisibleValidationMessage()     function in html/HTMLFormControlElement.cpp related to     the form validation bubble being displayed for invisible     pages. An unauthenticated, remote attacker can exploit     this to spoof the UI. (CVE-2017-5016)

  - An uninitialized memory access flaw exists in the webm     video processing implementation that allows an     unauthenticated, remote attacker to have an unspecified     impact. (CVE-2017-5017)

  - A cross-site scripting (XSS) vulnerability exists in the     App Launcher component due to a failure to properly     validate parameters. An unauthenticated, remote attacker     can exploit this, via a specially crafted request, to     execute arbitrary script code in a user's browser     session. (CVE-2017-5018)

  - A use-after-free error exists in the OnBeforeUnload()     function in render_frame_impl.cc. An unauthenticated,     remote attacker can exploit this to execute arbitrary     code. (CVE-2017-5019)

  - A cross-site scripting (XSS) vulnerability exists in     Blink due to a failure to properly validate input     related to chrome://downloads. An unauthenticated,     remote attacker can exploit this, via a specially     crafted request, to execute arbitrary script code in a     user's browser session. (CVE-2017-5020)

  - A use-after-free error exists in the Extensions     component. An unauthenticated, remote attacker can     exploit this to execute arbitrary code. (CVE-2017-5021)

  - A security bypass vulnerability exists in     frame/csp/ContentSecurityPolicy.cpp that allows an     unauthenticated, remote attacker to bypass the content     security policy (CSP). (CVE-2017-5022)

  - A type confusion flaw exists in the histogram collector     feature that is triggered when handling serialized     histograms. An unauthenticated remote attacker can     exploit this to crash the browser, resulting in a denial     of service condition. (CVE-2017-5023)

  - A heap buffer overflow condition exists in FFmpeg in the     mov_read_uuid() function in libavformat/mov.c due to     improper handling of overly long UUIDs. An     unauthenticated, remote attacker can exploit this to     cause a denial of service condition or the execution of     arbitrary code. (CVE-2017-5024)

  - A heap buffer overflow condition exists in FFmpeg in the     mov_read_hdlr() function in libavformat/mov.c due to     improper validation of user-supplied input when handling     titles. An unauthenticated, remote attacker can exploit     this to execute arbitrary code. (CVE-2017-5025)

  - An unspecified flaw exists that allows an     unauthenticated, remote attacker to spoof the UI.
    (CVE-2017-5026)

  - An unspecified flaw exists in Blink that allows an     unauthenticated, remote attacker to bypass the content     security policy. (CVE-2017-5027)

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

The remote host is affected by the vulnerability described in GLSA-201701-66 (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, bypass security restrictions, or perform       cross-site scripting (XSS).
  Workaround :

    There is no known workaround at this time.

This update updates QtWebEngine to the 5.9.0 release. QtWebEngine 5.9.0 is part of the Qt 5.9.0 release, but only the QtWebEngine component is included in this update.

The update fixes the following security issues in QtWebEngine 5.8.0:
CVE-2017-5006, CVE-2017-5007, CVE-2017-5008, CVE-2017-5009, CVE-2017-5010, CVE-2017-5011, CVE-2017-5012, CVE-2017-5013, CVE-2017-5014, CVE-2017-5015, CVE-2017-5016, CVE-2017-5017, CVE-2017-5018, CVE-2017-5019, CVE-2017-5020, CVE-2017-5021, CVE-2017-5022, CVE-2017-5023, CVE-2017-5024, CVE-2017-5025, CVE-2017-5026, CVE-2017-5027, CVE-2017-5029, CVE-2017-5032, CVE-2017-5033, CVE-2017-5034, CVE-2017-5036, CVE-2017-5039, CVE-2017-5040, CVE-2017-5044, CVE-2017-5045, CVE-2017-5046, CVE-2017-5052, CVE-2017-5053, CVE-2017-5055, CVE-2017-5057, CVE-2017-5058, CVE-2017-5059, CVE-2017-5060, CVE-2017-5061, CVE-2017-5062, CVE-2017-5065, CVE-2017-5066, CVE-2017-5067, CVE-2017-5068, and CVE-2017-5069.

Other important changes include :

  - Based on Chromium 56.0.2924.122 with security fixes from     Chromium up to version 58.0.3029.96. (5.8.0 was based on     Chromium 53.0.2785.148 with security fixes from Chromium     up to version 55.0.2883.75.)

  - [QTBUG-54650, QTBUG-59922] Accessibility is now disabled     by default on Linux, like it is in Chrome, due to poor     options for enabling it conditionally and its heavy     performance impact. Set the environment variable     `QTWEBENGINE_ENABLE_LINUX_ACCESSIBILITY` to enable it     again.

  - [QTBUG-56531] Enabled `filesystem:` protocol handler.

  - [QTBUG-57720] Optimized incremental scene-graph     rendering in particular for software rendering.

  - [QTBUG-60049] Enabled brotli support.

  - Many bug fixes, see     https://code.qt.io/cgit/qt/qtwebengine.git/tree/dist/cha     nges-5.9.0?h=5.9 for details.

In addition, this build includes a fix for https://bugreports.qt.io/browse/QTBUG-61521 , a binary incompatibility in QtWebEngine 5.9.0 compared to 5.8.0.

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 chromium was updated to 56.0.2924.87 :

  - Various small fixes

  - Disabled option to enable/disable plugins in the     chrome://plugins

  - Changed the build requirement of libavformat to library     version 57.41.100, as included in ffmpeg 3.1.1, as only     this version properly supports the public AVStream API     'codecpar'. 

It also contains the version update to 56.0.2924.76 (bsc#1022049) :

  - CVE-2017-5007: Universal XSS in Blink

  - CVE-2017-5006: Universal XSS in Blink

  - CVE-2017-5008: Universal XSS in Blink

  - CVE-2017-5010: Universal XSS in Blink

  - CVE-2017-5011: Unauthorised file access in Devtools

  - CVE-2017-5009: Out of bounds memory access in WebRTC

  - CVE-2017-5012: Heap overflow in V8

  - CVE-2017-5013: Address spoofing in Omnibox

  - CVE-2017-5014: Heap overflow in Skia

  - CVE-2017-5015: Address spoofing in Omnibox

  - CVE-2017-5019: Use after free in Renderer

  - CVE-2017-5016: UI spoofing in Blink

  - CVE-2017-5017: Uninitialised memory access in webm video

  - CVE-2017-5018: Universal XSS in chrome://apps

  - CVE-2017-5020: Universal XSS in chrome://downloads

  - CVE-2017-5021: Use after free in Extensions

  - CVE-2017-5022: Bypass of Content Security Policy in     Blink

  - CVE-2017-5023: Type confusion in metrics

  - CVE-2017-5024: Heap overflow in FFmpeg

  - CVE-2017-5025: Heap overflow in FFmpeg

  - CVE-2017-5026: UI spoofing. Credit to Ronni Skansing

  - Enable VAAPI hardware accelerated video decoding.

  - Chromium 55.0.2883.87 :

  - various fixes for crashes and specific wesites

  - update Google pinned certificates

This update updates QtWebEngine to a snapshot from the Qt 5.6 LTS (long-term support) branch. This is a snapshot of the QtWebEngine that will be included in the bugfix and security release Qt 5.6.3, but only the QtWebEngine component is included in this update.

The update fixes the following security issues in QtWebEngine 5.6.2:
CVE-2016-5133, CVE-2016-5147, CVE-2016-5153, CVE-2016-5155, CVE-2016-5161, CVE-2016-5166, CVE-2016-5170, CVE-2016-5171, CVE-2016-5172, CVE-2016-5181, CVE-2016-5185, CVE-2016-5186, CVE-2016-5187, CVE-2016-5188, CVE-2016-5192, CVE-2016-5198, CVE-2016-5205, CVE-2016-5207, CVE-2016-5208, CVE-2016-5214, CVE-2016-5215, CVE-2016-5221, CVE-2016-5222, CVE-2016-5224, CVE-2016-5225, CVE-2016-9650, CVE-2016-9651, CVE-2016-9652, CVE-2017-5006, CVE-2017-5007, CVE-2017-5008, CVE-2017-5009, CVE-2017-5010, CVE-2017-5012, CVE-2017-5015, CVE-2017-5016, CVE-2017-5017, CVE-2017-5019, CVE-2017-5023, CVE-2017-5024, CVE-2017-5025, CVE-2017-5026, CVE-2017-5027, CVE-2017-5029, CVE-2017-5033, CVE-2017-5037, CVE-2017-5044, CVE-2017-5046, CVE-2017-5047, CVE-2017-5048, CVE-2017-5049, CVE-2017-5050, CVE-2017-5051, CVE-2017-5059, CVE-2017-5061, CVE-2017-5062, CVE-2017-5065, CVE-2017-5067, CVE-2017-5069, CVE-2017-5070, CVE-2017-5071, CVE-2017-5075, CVE-2017-5076, CVE-2016-5078, CVE-2017-5083, and CVE-2017-5089.

Other important changes include :

  - Based on Chromium 49.0.2623.111 (the version used in     QtWebEngine 5.7.x) with security fixes from Chromium up     to version 59.0.3071.104. (5.6.2 was based on Chromium     45.0.2554.101 with security fixes from Chromium up to     version 52.0.2743.116.)

  - All other bug fixes from QtWebEngine 5.7.1 have been     backported.

See http://code.qt.io/cgit/qt/qtwebengine.git/tree/dist/changes-5.6.3?h=5.
6 for details. (Please note that at the time of this writing, not all security backports are listed in that file yet. The list above is accurate.)

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-2017-5006     Mariusz Mlynski discovered a cross-site scripting issue.

  - CVE-2017-5007     Mariusz Mlynski discovered another cross-site scripting     issue.

  - CVE-2017-5008     Mariusz Mlynski discovered a third cross-site scripting     issue.

  - CVE-2017-5009     Sean Stanek and Chip Bradford discovered an     out-of-bounds memory issue in the webrtc library.

  - CVE-2017-5010     Mariusz Mlynski discovered a fourth cross-site scripting     issue.

  - CVE-2017-5011     Khalil Zhani discovered a way to access unauthorized     files in the developer tools.

  - CVE-2017-5012     Gergely Nagy discovered a heap overflow issue in the v8     JavaScript library.

  - CVE-2017-5013     Haosheng Wang discovered a URL spoofing issue.

  - CVE-2017-5014     sweetchip discovered a heap overflow issue in the skia     library.

  - CVE-2017-5015     Armin Razmdjou discovered a URL spoofing issue.

  - CVE-2017-5016     Haosheng Wang discovered another URL spoofing issue.

  - CVE-2017-5017     danberm discovered an uninitialized memory issue in     support for webm video files.

  - CVE-2017-5018     Rob Wu discovered a cross-site scripting issue.

  - CVE-2017-5019     Wadih Matar discovered a use-after-free issue.

  - CVE-2017-5020     Rob Wu discovered another cross-site scripting issue.

  - CVE-2017-5021     Rob Wu discovered a use-after-free issue in extensions.

  - CVE-2017-5022     PKAV Team discovered a way to bypass the Content     Security Policy.

  - CVE-2017-5023     UK's National Cyber Security Centre (NCSC) discovered a     type confusion issue.

  - CVE-2017-5024     Paul Mehta discovered a heap overflow issue in the     ffmpeg library.

  - CVE-2017-5025     Paul Mehta discovered another heap overflow issue in the     ffmpeg library.

  - CVE-2017-5026     Ronni Skansing discovered a user interface spoofing     issue.

ID	Name	Product	Family	Published	Updated	Severity
96826	RHEL 6 : chromium-browser (RHSA-2017:0206)	Nessus	Red Hat Local Security Checks	1/27/2017	2/5/2021	high
96828	Google Chrome < 56.0.2924.76 Multiple Vulnerabilities	Nessus	Windows	1/27/2017	4/11/2022	medium
96820	FreeBSD : chromium -- multiple vulnerabilities (4b9ca994-e3d9-11e6-813d-e8e0b747a45a)	Nessus	FreeBSD Local Security Checks	1/27/2017	1/4/2021	high
96829	Google Chrome < 56.0.2924.76 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	1/27/2017	11/13/2019	medium
96852	GLSA-201701-66 : Chromium: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	1/30/2017	1/11/2021	high
101504	Fedora 25 : qt5-qtwebengine (2017-58cde32413)	Nessus	Fedora Local Security Checks	7/13/2017	1/6/2021	critical
97313	openSUSE Security Update : chromium (openSUSE-2017-273)	Nessus	SuSE Local Security Checks	2/22/2017	1/19/2021	high
101740	Fedora 26 : qt5-qtwebengine (2017-e83c26a8c9)	Nessus	Fedora Local Security Checks	7/17/2017	1/6/2021	critical
101920	Fedora 24 : qt5-qtwebengine (2017-98bed96d12)	Nessus	Fedora Local Security Checks	7/24/2017	6/8/2022	critical
96885	Debian DSA-3776-1 : chromium-browser - security update	Nessus	Debian Local Security Checks	1/31/2017	1/11/2021	high

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