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Ubuntu Security Notice USN-3041-1

Ubuntu Security Notice USN-3041-1
Posted Aug 5, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3041-1 - 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 or execute arbitrary code. It was discovered that the PPAPI implementation does not validate the origin of IPC messages to the plugin broker process. A remote attacker could potentially exploit this to bypass sandbox protection mechanisms. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-1705, CVE-2016-1706, CVE-2016-1710, CVE-2016-1711, CVE-2016-5127, CVE-2016-5128, CVE-2016-5129, CVE-2016-5130, CVE-2016-5131, CVE-2016-5132, CVE-2016-5133, CVE-2016-5134, CVE-2016-5135, CVE-2016-5137
MD5 | 963ea9bc7d8f1722aef9a51d8a5b38db

Ubuntu Security Notice USN-3041-1

Change Mirror Download

=========================================================================
Ubuntu Security Notice USN-3041-1
August 05, 2016

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

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

- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Oxide.

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

Details:

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-2016-1705)


It was discovered that the PPAPI implementation does not validate the
origin of IPC messages to the plugin broker process. A remote attacker
could potentially exploit this to bypass sandbox protection mechanisms.
(CVE-2016-1706)

It was discovered that Blink does not prevent window creation by a
deferred frame. A remote attacker could potentially exploit this to bypas
s
same origin restrictions. (CVE-2016-1710)

It was discovered that Blink does not disable frame navigation during a
detach operation on a DocumentLoader object. A remote attacker could
potentially exploit this to bypass same origin restrictions.
(CVE-2016-1711)

A use-after-free was discovered in Blink. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploi
t
this to cause a denial of service via renderer process crash, or execute
arbitrary code. (CVE-2016-5127)

It was discovered that objects.cc in V8 does not prevent API interceptors

from modifying a store target without setting a property. A remote
attacker could potentially exploit this to bypass same origin
restrictions. (CVE-2016-5128)

A memory corruption was discovered in V8. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploi
t
this to cause a denial of service via renderer process crash, or execute
arbitrary code. (CVE-2016-5129)

A security issue was discovered in Chromium. A remote attacker could
potentially exploit this to spoof the currently displayed URL.
(CVE-2016-5130)

A use-after-free was discovered in libxml. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploi
t
this to cause a denial of service via renderer process crash, or execute
arbitrary code. (CVE-2016-5131)

The Service Workers implementation in Chromium does not properly implemen
t
the Secure Contexts specification during decisions about whether to
control a subframe. A remote attacker could potentially exploit this to
bypass same origin restrictions. (CVE-2016-5132)

It was discovered that Chromium mishandles origin information during prox
y
authentication. A man-in-the-middle attacker could potentially exploit th
is
to spoof a proxy authentication login prompt. (CVE-2016-5133)

It was discovered that the Proxy Auto-Config (PAC) feature in Chromium
does not ensure that URL information is restricted to a scheme, host and
port. A remote attacker could potentially exploit this to obtain sensitiv
e
information. (CVE-2016-5134)

It was discovered that Blink does not consider referrer-policy informatio
n
inside an HTML document during a preload request. A remote attacker could

potentially exploit this to bypass Content Security Policy (CSP)
protections. (CVE-2016-5135)

It was discovered that the Content Security Policy (CSP) implementation i
n
Blink does not apply http :80 policies to https :443 URLs. A remote
attacker could potentially exploit this to determine whether a specific
HSTS web site has been visited by reading a CSP report. (CVE-2016-5137)

Update instructions:

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

Ubuntu 16.04 LTS:
liboxideqtcore0 1.16.5-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
liboxideqtcore0 1.16.5-0ubuntu0.14.04.1

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


References:
http://www.ubuntu.com/usn/usn-3041-1
CVE-2016-1705, CVE-2016-1706, CVE-2016-1710, CVE-2016-1711,
CVE-2016-5127, CVE-2016-5128, CVE-2016-5129, CVE-2016-5130,
CVE-2016-5131, CVE-2016-5132, CVE-2016-5133, CVE-2016-5134,
CVE-2016-5135, CVE-2016-5137

Package Information:
https://launchpad.net/ubuntu/+source/oxide-qt/1.16.5-0ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/oxide-qt/1.16.5-0ubuntu0.14.04.1



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