The Array.prototype.concat implementation in builtins.cc in Google V8, as used in Google Chrome before 49.0.2623.108, does not properly consider element data types, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted JavaScript code.

The remote host is affected by the vulnerability described in GLSA-201605-02 (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-2955-1 advisory.

    A use-after-free was discovered when responding synchronously to permission requests. An attacker could     potentially exploit this to cause a denial of service via application crash, or execute arbitrary code     with the privileges of the user invoking the program. (CVE-2016-1578)

    An out-of-bounds read was discovered in V8. 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 renderer crash.
    (CVE-2016-1646)

    A use-after-free was discovered in the navigation implementation in Chromium in some circumstances. 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 with the privileges of the user     invoking the program. (CVE-2016-1647)

    A buffer overflow was discovered in ANGLE. 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 with the privileges of the user invoking the program. (CVE-2016-1649)

    An out-of-bounds write was discovered in V8. 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 renderer crash, or     execute arbitrary code with the privileges of the sandboxed renderer process. (CVE-2016-1653)

    An invalid read was discovered in the media subsystem in Chromium. 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. (CVE-2016-1654)

    It was discovered that frame removal during callback execution could trigger a use-after-free 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 renderer crash, or execute arbitrary code with the privileges of the     sandboxed renderer process. (CVE-2016-1655)

    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 with the privileges of the user invoking the     program. (CVE-2016-1659)

    Multiple security issues were discovered in V8. 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 renderer crash or execute arbitrary code with the privileges of the sandboxed render process.
    (CVE-2016-3679)

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.

Chromium was updated to 49.0.2623.110 to fix the following security issues :

  - CVE-2016-1646: Out-of-bounds read in V8

  - CVE-2016-1647: Use-after-free in Navigation

  - CVE-2016-1648: Use-after-free in Extensions

  - CVE-2016-1649: Buffer overflow in libANGLE

  - CVE-2016-1650: Various fixes from internal audits,     fuzzing and other initiatives

  - CVE-2016-3679: Multiple vulnerabilities in V8 fixed at     the tip of the 4.9 branch (currently 4.9.385.33)

The version of Google Chrome installed on the remote host is prior to 49.0.2623.108, and is affected by multiple vulnerabilities : 

 - An unspecified off-by-one flaw exists in the 'CharacterRange::Negate()' function that may allow a context-dependent attacker to have an unspecified impact. No further details have been provided.
 - An unspecified flaw exists in the 'ArrayConcatVisitor' class in 'builtins.cc' that is triggered as array subclass concats are not properly checked. This may allow an attacker to have an unspecified impact.
 - A use-after-free error exists in 'Navigation' that may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. No further details have been provided.
 - A use-after-free error exists in 'Extensions' that may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. No further details have been provided.
 - An overflow condition exists in the 'Program::getUniformInternal()' function in 'libANGLE/Program.cpp' that is triggered as user-supplied input is not properly validated. This may allow a context-dependent attacker to cause a buffer overflow and potentially execute arbitrary code.
 - An unspecified flaw exists in the 'pageCapture' extension function's implementation that may allow a context-dependent attacker to have an unspecified impact. No further details have been provided.

Google Chrome Releases reports :

[594574] High CVE-2016-1646: Out-of-bounds read in V8.

[590284] High CVE-2016-1647: Use-after-free in Navigation.

[590455] High CVE-2016-1648: Use-after-free in Extensions.

[597518] CVE-2016-1650: Various fixes from internal audits, fuzzing and other initiatives.

Multiple vulnerabilities in V8 fixed at the tip of the 4.9 branch

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 49.0.2623.108.

Security Fix(es) :

Several 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-2016-1646, CVE-2016-1647, CVE-2016-1648, CVE-2016-1649, CVE-2016-1650)

Several vulnerabilities have been discovered in the chromium web browser.

  - CVE-2016-1646     Wen Xu discovered an out-of-bounds read issue in the v8     library.

  - CVE-2016-1647     A use-after-free issue was discovered.

  - CVE-2016-1648     A use-after-free issue was discovered in the handling of     extensions.

  - CVE-2016-1649     lokihardt discovered a buffer overflow issue in the     Almost Native Graphics Layer Engine (ANGLE) library.

  - CVE-2016-1650     The chrome development team found and fixed various     issues during internal auditing. Also multiple issues     were fixed in the v8 JavaScript library, version     4.9.385.33.

The version of Google Chrome installed on the remote Mac OS X host is prior to 49.0.2623.108. It is, therefore, affected by multiple vulnerabilities :

  - An out-of-bounds read error exists in Google V8 that     allows an attacker to crash the application, resulting     in a denial of service. (CVE-2016-1646)

  - A use-after-free error exists in the Navigation     component that allows an attacker to dereference already     freed memory, resulting in the execution of arbitrary     code. (CVE-2016-1647)

  - A use-after-free error exists in the Extensions     component that allows an attacker to dereference already     freed memory, resulting in the execution of arbitrary     code. (CVE-2016-1648)

  - An overflow condition exists in libANGLE due to improper     validation of user-supplied input. An attacker can     exploit this to execute arbitrary code. (CVE-2016-1649)

  - An unspecified flaw exists in the pageCapture extension     that allows an attacker to have an unspecified impact.
    (CVE-2016-1650)

  - A denial of service vulnerability exists in PDFium due     to improper handling of file names. An attacker can     exploit this to crash the application, resulting in a     denial of service.

The version of Google Chrome installed on the remote Windows host is prior to 49.0.2623.108. It is, therefore, affected by multiple vulnerabilities :

  - An out-of-bounds read error exists in Google V8 that     allows an attacker to crash the application, resulting     in a denial of service. (CVE-2016-1646)

  - A use-after-free error exists in the Navigation     component that allows an attacker to dereference already     freed memory, resulting in the execution of arbitrary     code. (CVE-2016-1647)

  - A use-after-free error exists in the Extensions     component that allows an attacker to dereference already     freed memory, resulting in the execution of arbitrary     code. (CVE-2016-1648)

  - An overflow condition exists in libANGLE due to improper     validation of user-supplied input. An attacker can     exploit this to execute arbitrary code. (CVE-2016-1649)

  - An unspecified flaw exists in the pageCapture extension     that allows an attacker to have an unspecified impact.
    (CVE-2016-1650)

  - A denial of service vulnerability exists in PDFium due     to improper handling of file names. An attacker can     exploit this to crash the application, resulting in a     denial of service.

ID	Name	Product	Family	Severity
91176	GLSA-201605-02 : Chromium: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	critical
90826	Ubuntu 14.04 LTS / 16.04 LTS : Oxide vulnerabilities (USN-2955-1)	Nessus	Ubuntu Local Security Checks	critical
90557	openSUSE Security Update : Chromium (openSUSE-2016-459)	Nessus	SuSE Local Security Checks	high
9204	Google Chrome < 49.0.2623.108 Multiple Vulnerabilities	Nessus Network Monitor	Web Clients	high
90294	openSUSE Security Update : Chromium (openSUSE-2016-418)	Nessus	SuSE Local Security Checks	high
90289	FreeBSD : chromium -- multiple vulnerabilities (8be8ca39-ae70-4422-bf1a-d8fae6911c5e)	Nessus	FreeBSD Local Security Checks	high
90261	RHEL 6 : chromium-browser (RHSA-2016:0525)	Nessus	Red Hat Local Security Checks	high
90206	Debian DSA-3531-1 : chromium-browser - security update	Nessus	Debian Local Security Checks	high
90195	Google Chrome < 49.0.2623.108 Multiple Vulnerabilities (Mac OS X)	Nessus	MacOS X Local Security Checks	high
90194	Google Chrome < 49.0.2623.108 Multiple Vulnerabilities	Nessus	Windows	high

Detections

Analytics

CVE-2016-1646

high

Tenable Plugins

critical

critical

high

high

high

high

high

high

high

high