USN-2556-1: Oxide vulnerabilities

7 April 2015

oxide-qt vulnerabilities

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

  • 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 handle the interaction of IPC, the gamepad API and V8. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to execute arbitrary code with the privileges of the user invoking the program. (CVE-2015-1233)

A buffer overflow was discovered in the GPU service. 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. (CVE-2015-1234)

It was discovered that Oxide did not correctly manage the lifetime of BrowserContext, resulting in a potential use-after-free in some circumstances. 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-2015-1317)

Update instructions

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

Ubuntu 14.10
liboxideqtcore0 - 1.5.6-0ubuntu0.14.10.1
Ubuntu 14.04 LTS
liboxideqtcore0 - 1.5.6-0ubuntu0.14.04.2

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