The Web Cryptography API (aka WebCrypto) implementation in Blink, as used in Google Chrome before 52.0.2743.116, does not properly copy data buffers, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted JavaScript code, related to NormalizeAlgorithm.cpp and SubtleCrypto.cpp.

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.

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3058-1 advisory.

    An issue was discovered in Blink involving the provisional URL for an initially empty document. An     attacker could potentially exploit this to spoof the currently displayed URL. (CVE-2016-5141)

    A use-after-free was discovered in the WebCrypto implementation in Blink. If a user were tricked in to     opening a specially crafted website, an attacker could potentially exploit this to cause a denial of     service via application crash, or execute arbitrary code. (CVE-2016-5142)

    It was discovered that the devtools subsystem in Blink mishandles various parameters. An attacker could     exploit this to bypass intended access restrictions. (CVE-2016-5143, CVE-2016-5144)

    It was discovered that Blink does not ensure that a taint property is preserved after a structure-clone     operation on an ImageBitmap object derived from a cross-origin image. If a user were tricked in to opening     a specially crafted website, an attacker could potentially exploit this to bypass same origin     restrictions. (CVE-2016-5145)

    Multiple security issues were discovered in Chromium. If a user were tricked in to opening a specially     crafted website, an attacker could potentially exploit these to read uninitialized memory, cause a denial     of service via application crash, or execute arbitrary code. (CVE-2016-5146, CVE-2016-5167)

    It was discovered that Blink mishandles deferred page loads. If a user were tricked in to opening a     specially crafted website, an attacker could potentially exploit this to conduct cross-site scripting     (XSS) attacks. (CVE-2016-5147)

    An issue was discovered in Blink related to widget updates. If a user were tricked in to opening a     specially crafted website, an attacker could potentially exploit this to conduct cross-site scripting     (XSS) attacks. (CVE-2016-5148)

    A use-after-free was discovered in Blink. If a user were tricked in to opening a specially crafted     website, an attacker could potentially exploit this to cause a denial of service via application crash, or     execute arbitrary code. (CVE-2016-5150)

    A use-after-free was discovered in Blink. If a user were tricked in to opening a specially crafted     website, an attacker could potentially exploit this to cause a denial of service via application crash, or     execute arbitrary code. (CVE-2016-5153)

    It was discovered that Chromium does not correctly validate access to the initial document. An attacker     could potentially exploit this to spoof the currently displayed URL. (CVE-2016-5155)

    A use-after-free was discovered in the event bindings in Blink. If a user were tricked in to opening a     specially crafted website, an attacker could potentially exploit this to cause a denial of service via     application crash, or execute arbitrary code. (CVE-2016-5156)

    A type confusion bug was discovered in Blink. If a user were tricked in to opening a specially crafted     website, an attacker could potentially exploit this to cause a denial of service via application crash, or     execute arbitrary code. (CVE-2016-5161)

    An issue was discovered with the devtools implementation. An attacker could potentially exploit this to     conduct cross-site scripting (XSS) attacks. (CVE-2016-5164)

    An issue was discovered with the devtools implementation. An attacker could potentially exploit this to     conduct cross-site scripting (XSS) attacks. (CVE-2016-5165)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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 :

10 security fixes in this release, including :

- [629542] High CVE-2016-5141 Address bar spoofing. Credit to anonymous

- [626948] High CVE-2016-5142 Use-after-free in Blink. Credit to anonymous

- [625541] High CVE-2016-5139 Heap overflow in pdfium. Credit to GiWan Go of Stealien

- [619405] High CVE-2016-5140 Heap overflow in pdfium. Credit to Ke Liu of Tencent's Xuanwu LAB

- [623406] Medium CVE-2016-5145 Same origin bypass for images in Blink. Credit to anonymous

- [619414] Medium CVE-2016-5143 Parameter sanitization failure in DevTools. Credit to Gregory Panakkal

- [618333] Medium CVE-2016-5144 Parameter sanitization failure in DevTools. Credit to Gregory Panakkal

- [633486] CVE-2016-5146: Various fixes from internal audits, fuzzing and other initiatives.

On 2016-08-04 Google released Chrome 52.0.2743.116 which fixes at least 8 security issues: CVE-2016-5141, CVE-2016-5142, CVE-2016-5139, CVE-2016-5140, CVE-2016-5145, CVE-2016-5143 and CVE-2016-5144. 

Additionally, this update :

  - Splits libmedia and libffmpeg into the libs-media     subpackage, so that it can be replaced by non-Fedora     repos to provide additional codecs.

  - Enables gtk3 support

  - Adds additional ICU Text codec aliases (from openSUSE     via Russian Fedora)

  - Uses PIE in the Linux sandbox (from openSUSE via Russian     Fedora)

  - Enables ARM CPU detection for webrtc (from archlinux via     Russian Fedora)

  - Does not force -m32 in icu compile on ARM (from     archlinux via Russian Fedora)

  - Enables fpic on linux

  - Enables hidpi

  - Enables touch_ui

  - Adds chromedriver subpackage (from Russian Fedora)

  - Sets default master_preferences location to     /etc/chromium (and includes master_preferences file)

  - Creates PepperFlash directory where plugin needs to live     if user has it

  - Improves translations in chromium-browser.desktop (from     Russian Fedora)

  - Improves translation in Appinfo xml file (thanks to     Richard Hughes)

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 vulnerabilites have been discovered in the chromium web browser.

  - CVE-2016-5139     GiWan Go discovered a use-after-free issue in the pdfium     library.

  - CVE-2016-5140     Ke Liu discovered a use-after-free issue in the pdfium     library.

  - CVE-2016-5141     Sergey Glazunov discovered a URL spoofing issue.

  - CVE-2016-5142     Sergey Glazunov discovered a use-after-free issue.

  - CVE-2016-5143     Gregory Panakkal discovered an issue in the developer     tools.

  - CVE-2016-5144     Gregory Panakkal discovered another issue in the     developer tools.

  - CVE-2016-5146     The chrome development team found and fixed various     issues during internal auditing.

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 52.0.2743.116.

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-2016-5139, CVE-2016-5140, CVE-2016-5141, CVE-2016-5142, CVE-2016-5146, CVE-2016-5143, CVE-2016-5144, CVE-2016-5145)

The version of Google Chrome installed on the remote macOS host is prior to 52.0.2743.116. It is, therefore, affected by multiple vulnerabilities as referenced in the 2016_08_stable-channel-update-for-desktop advisory.

  - Multiple unspecified vulnerabilities in Google Chrome before 52.0.2743.116 allow attackers to cause a     denial of service or possibly have other impact via unknown vectors. (CVE-2016-5146)

  - Blink, as used in Google Chrome before 52.0.2743.116, allows remote attackers to spoof the address bar via     vectors involving a provisional URL for an initially empty document, related to FrameLoader.cpp and     ScopedPageLoadDeferrer.cpp. (CVE-2016-5141)

  - The Web Cryptography API (aka WebCrypto) implementation in Blink, as used in Google Chrome before     52.0.2743.116, does not properly copy data buffers, which allows remote attackers to cause a denial of     service (use-after-free) or possibly have unspecified other impact via crafted JavaScript code, related to     NormalizeAlgorithm.cpp and SubtleCrypto.cpp. (CVE-2016-5142)

  - Multiple integer overflows in the opj_tcd_init_tile function in tcd.c in OpenJPEG, as used in PDFium in     Google Chrome before 52.0.2743.116, allow remote attackers to cause a denial of service (heap-based buffer     overflow) or possibly have unspecified other impact via crafted JPEG 2000 data. (CVE-2016-5139)

  - Heap-based buffer overflow in the opj_j2k_read_SQcd_SQcc function in j2k.c in OpenJPEG, as used in PDFium     in Google Chrome before 52.0.2743.116, allows remote attackers to cause a denial of service or possibly     have unspecified other impact via crafted JPEG 2000 data. (CVE-2016-5140)

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 52.0.2743.116. It is, therefore, affected by multiple vulnerabilities as referenced in the 2016_08_stable-channel-update-for-desktop advisory.

  - Multiple unspecified vulnerabilities in Google Chrome before 52.0.2743.116 allow attackers to cause a     denial of service or possibly have other impact via unknown vectors. (CVE-2016-5146)

  - Blink, as used in Google Chrome before 52.0.2743.116, allows remote attackers to spoof the address bar via     vectors involving a provisional URL for an initially empty document, related to FrameLoader.cpp and     ScopedPageLoadDeferrer.cpp. (CVE-2016-5141)

  - The Web Cryptography API (aka WebCrypto) implementation in Blink, as used in Google Chrome before     52.0.2743.116, does not properly copy data buffers, which allows remote attackers to cause a denial of     service (use-after-free) or possibly have unspecified other impact via crafted JavaScript code, related to     NormalizeAlgorithm.cpp and SubtleCrypto.cpp. (CVE-2016-5142)

  - Multiple integer overflows in the opj_tcd_init_tile function in tcd.c in OpenJPEG, as used in PDFium in     Google Chrome before 52.0.2743.116, allow remote attackers to cause a denial of service (heap-based buffer     overflow) or possibly have unspecified other impact via crafted JPEG 2000 data. (CVE-2016-5139)

  - Heap-based buffer overflow in the opj_j2k_read_SQcd_SQcc function in j2k.c in OpenJPEG, as used in PDFium     in Google Chrome before 52.0.2743.116, allows remote attackers to cause a denial of service or possibly     have unspecified other impact via crafted JPEG 2000 data. (CVE-2016-5140)

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

Chromium was updated to 52.0.2743.116 to fix the following security issues: (boo#992305)

  - CVE-2016-5141: Address bar spoofing (boo#992314)

  - CVE-2016-5142: Use-after-free in Blink (boo#992313)

  - CVE-2016-5139: Heap overflow in pdfium (boo#992311)

  - CVE-2016-5140: Heap overflow in pdfium (boo#992310)

  - CVE-2016-5145: Same origin bypass for images in Blink     (boo#992320)

  - CVE-2016-5143: Parameter sanitization failure in     DevTools (boo#992319)

  - CVE-2016-5144: Parameter sanitization failure in     DevTools (boo#992315)

  - CVE-2016-5146: Various fixes from internal audits,     fuzzing and other initiatives (boo#992309)

ID	Name	Product	Family	Type	Severity
94420	GLSA-201610-09 : Chromium: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	Local	critical
93509	Ubuntu 14.04 LTS / 16.04 LTS : Oxide vulnerabilities (USN-3058-1)	Nessus	Ubuntu Local Security Checks	Local	critical
93497	FreeBSD : chromium -- multiple vulnerabilities (958b9cee-79da-11e6-bf75-3065ec8fd3ec)	Nessus	FreeBSD Local Security Checks	Local	critical
92962	Fedora 24 : chromium (2016-e9798eaaa3)	Nessus	Fedora Local Security Checks	Local	critical
92956	Debian DSA-3645-1 : chromium-browser - security update	Nessus	Debian Local Security Checks	Local	critical
92814	RHEL 6 : chromium-browser (RHSA-2016:1580)	Nessus	Red Hat Local Security Checks	Local	critical
92792	Google Chrome < 52.0.2743.116 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	Local	critical
92791	Google Chrome < 52.0.2743.116 Multiple Vulnerabilities	Nessus	Windows	Local	critical
92778	openSUSE Security Update : Chromium (openSUSE-2016-950)	Nessus	SuSE Local Security Checks	Local	critical

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