============================================================================
Ubuntu Security Notice USN-2735-1
September 08, 2015

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

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

- Ubuntu 15.04
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Oxide.

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

Details:

It was discovered that the DOM tree could be corrupted during parsing 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 or cause a denial of service. (CVE-2015-1291)

An issue was discovered in NavigatorServiceWorker::serviceWorker 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-2015-1292)

An issue was discovered in the DOM implementation 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-2015-1293)

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 via renderer crash, or execute arbitrary
code with the privileges of the sandboxed render process. (CVE-2015-1294)

A use-after-free was discovered in the shared-timer 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 renderer crash, or execute arbitrary code with the privileges of the
sandboxed render process. (CVE-2015-1299)

It was discovered that the availability of iframe Resource Timing API
times was not properly restricted in some circumstances. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit this to obtain sensitive information. (CVE-2015-1300)

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-2015-1301)

A heap corruption issue was discovered in oxide::JavaScriptDialogManager.
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-2015-1332)

Update instructions:

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

Ubuntu 15.04:
  liboxideqtcore0                 1.9.1-0ubuntu0.15.04.1

Ubuntu 14.04 LTS:
  liboxideqtcore0                 1.9.1-0ubuntu0.14.04.2

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

References:
  http://www.ubuntu.com/usn/usn-2735-1
  CVE-2015-1291, CVE-2015-1292, CVE-2015-1293, CVE-2015-1294,
  CVE-2015-1299, CVE-2015-1300, CVE-2015-1301, CVE-2015-1332,
  https://launchpad.net/bugs/1470905

Package Information:
  https://launchpad.net/ubuntu/+source/oxide-qt/1.9.1-0ubuntu0.15.04.1
  https://launchpad.net/ubuntu/+source/oxide-qt/1.9.1-0ubuntu0.14.04.2