USN-2652-1: Oxide vulnerabilities

30 June 2015

oxide-qt vulnerabilities

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

  • Ubuntu 15.04
  • Ubuntu 14.10
  • 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 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 LTS
liboxideqtcore0 - 1.7.9-0ubuntu0.14.04.1

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.

References