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Ubuntu Security Notice USN-2992-1

Ubuntu Security Notice USN-2992-1
Posted Jun 6, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2992-1 - An unspecified security issue was discovered in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to bypass same-origin restrictions. An issue was discovered with Document reattachment in Blink in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to bypass same-origin restrictions. Various other issues were also addressed.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2016-1673, CVE-2016-1675, CVE-2016-1677, CVE-2016-1678, CVE-2016-1679, CVE-2016-1680, CVE-2016-1682, CVE-2016-1683, CVE-2016-1684, CVE-2016-1688, CVE-2016-1689, CVE-2016-1691, CVE-2016-1692, CVE-2016-1695, CVE-2016-1697, CVE-2016-1699, CVE-2016-1702, CVE-2016-1703
MD5 | 7bbd799d6d13ebe6e4c5e5c33e9cdbf8

Ubuntu Security Notice USN-2992-1

Change Mirror Download
From: Chris Coulson <chris.coulson@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <9c9730ff-923d-99dc-e9ee-6867bc48bb31@canonical.com>
Subject: [USN-2992-1] Oxide vulnerabilities




============================================================================
Ubuntu Security Notice USN-2992-1
June 06, 2016

oxide-qt vulnerabilities
============================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS
- Ubuntu 15.10
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Oxide.

Software Description:
- oxide-qt: Web browser engine for Qt (QML plugin)

Details:

An unspecified security issue was discovered in Blink. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit this to bypass same-origin restrictions.
(CVE-2016-1673)

An issue was discovered with Document reattachment in Blink in some
circumstances. If a user were tricked in to opening a specially crafted
website, an attacker could potentially exploit this to bypass same-origin
restrictions. (CVE-2016-1675)

A type confusion bug was discovered in V8. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploit
this to obtain sensitive information. (CVE-2016-1677)

A heap overflow 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 (application crash) or execute arbitrary code.
(CVE-2016-1678)

A use-after-free was discovered in the V8ValueConverter 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 (application crash) or execute arbitrary code.
(CVE-2016-1679)

A use-after-free was discovered in Skia. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploit
this to cause a denial of service (application crash) or execute arbitrary
code. (CVE-2016-1680)

A security issue was discovered in ServiceWorker registration in Blink in
some circumstances. If a user were tricked in to opening a specially
crafted website, an attacker could potentially exploit this to bypass
Content Security Policy (CSP) protections. (CVE-2016-1682)

An out-of-bounds memory access was discovered in libxslt. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit this to cause a denial of service (application crash)
or execute arbitrary code. (CVE-2016-1683)

An integer overflow was discovered in libxslt. If a user were tricked in
to opening a specially crafted website, an attacker could potentially
exploit this to cause a denial of service (application crash or resource
consumption). (CVE-2016-1684)

An out-of-bounds read was discovered in the regular expression
implementation 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 (application crash). (CVE-2016-1688)

A heap overflow was discovered 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 (application crash) or execute arbitrary
code. (CVE-2016-1689)

A heap overflow was discovered in Skia. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploit
this to cause a denial of service (application crash) or execute arbitrary
code. (CVE-2016-1691)

It was discovered that Blink permits cross-origin loading of stylesheets
by a service worker even when the stylesheet download has an incorrect
MIME type. If a user were tricked in to opening a specially crafted
website, an attacker could potentially exploit this to bypass same-origin
restrictions. (CVE-2016-1692)

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 (application crash) or execute arbitrary code. (CVE-2016-1695,
CVE-2016-1703)

It was discovered that Blink does not prevent frame navigation during
DocumentLoader detach operations. If a user were tricked in to opening a
specially crafted website, an attacker could potentially exploit this to
bypass same-origin restrictions. (CVE-2016-1697)

A parameter sanitization bug was discovered in the devtools subsystem in
Blink. An attacker could potentially exploit this to bypass intended
access restrictions. (CVE-2016-1699)

An out-of-bounds read was discovered in Skia. If a user were tricked in
to opening a specially crafted website, an attacker could potentially
exploit this to cause a denial of service (application crash).
(CVE-2016-1702)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS:
liboxideqtcore0 1.15.7-0ubuntu0.16.04.1

Ubuntu 15.10:
liboxideqtcore0 1.15.7-0ubuntu0.15.10.1

Ubuntu 14.04 LTS:
liboxideqtcore0 1.15.7-0ubuntu0.14.04.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2992-1
CVE-2016-1673, CVE-2016-1675, CVE-2016-1677, CVE-2016-1678,
CVE-2016-1679, CVE-2016-1680, CVE-2016-1682, CVE-2016-1683,
CVE-2016-1684, CVE-2016-1688, CVE-2016-1689, CVE-2016-1691,
CVE-2016-1692, CVE-2016-1695, CVE-2016-1697, CVE-2016-1699,
CVE-2016-1702, CVE-2016-1703

Package Information:
https://launchpad.net/ubuntu/+source/oxide-qt/1.15.7-0ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/oxide-qt/1.15.7-0ubuntu0.15.10.1
https://launchpad.net/ubuntu/+source/oxide-qt/1.15.7-0ubuntu0.14.04.1




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