USN-2652-1: Oxide vulnerabilities

Releases

• Ubuntu 15.04
• Ubuntu 14.10
• Ubuntu 14.04 ESM

Packages

• oxide-qt - Web browser engine library for Qt (QML plugin)

Details

It was discovered that Chromium did not properly consider the scheme when
determining whether a URL is associated with a WebUI SiteInstance. If a
user were tricked in to opening a specially crafted website, an attacker
could potentially exploit this to bypass security restrictions.
(CVE-2015-1266)

It was discovered that Blink did not properly restrict the creation
context during creation of a DOM wrapper. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploit
this to bypass same-origin restrictions. (CVE-2015-1267, CVE-2015-1268)

It was discovered that Chromium did not properly canonicalize DNS hostnames
before comparing to HSTS or HPKP preload entries. An attacker could
potentially exploit this to bypass intended access restrictions.
(CVE-2015-1269)

Update instructions

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

Ubuntu 15.04

• liboxideqtcore0 - 1.7.9-0ubuntu0.15.04.1

Ubuntu 14.10

• liboxideqtcore0 - 1.7.9-0ubuntu0.14.10.1

Ubuntu 14.04

• liboxideqtcore0 - 1.7.9-0ubuntu0.14.04.1

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

References

• CVE-2015-1266
• CVE-2015-1267
• CVE-2015-1268
• CVE-2015-1269