USN-3091-1: Oxide vulnerabilities

7 October 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

A use-after-free was discovered in the V8 bindings in Blink. 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. (CVE-2016-5170)

A use-after-free was discovered in the V8 bindings in Blink. 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. (CVE-2016-5171)

An issue was discovered in V8. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to ontain sensitive information from arbitrary memory locations. (CVE-2016-5172)

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 via application crash, or execute arbitrary code. (CVE-2016-5175, CVE-2016-5178)

A use-after-free was discovered in V8. 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. (CVE-2016-5177)

It was discovered that Chromium does not ensure the recipient of a certain IPC message is a valid RenderFrame or RenderWidget. An attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitary code. (CVE-2016-7549)

Update instructions

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

Ubuntu 16.04 LTS
liboxideqtcore0 - 1.17.9-0ubuntu0.16.04.1
Ubuntu 14.04 LTS
liboxideqtcore0 - 1.17.9-0ubuntu0.14.04.1

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