Several security issues were fixed in Oxide.
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)
30 June 2015
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Oxide.
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)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon