USN-4054-1: Firefox vulnerabilities
firefox vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Software Description
- firefox – Mozilla Open Source web browser
Details
A sandbox escape was discovered in Firefox. If a user were tricked in to
installing a malicious language pack, an attacker could exploit this to
gain additional privileges. (CVE-2019-9811)
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, bypass same origin restrictions, conduct cross-site scripting
(XSS) attacks, conduct cross-site request forgery (CSRF) attacks, spoof
origin attributes, spoof the addressbar contents, bypass safebrowsing
protections, or execute arbitrary code. (CVE-2019-11709, CVE-2019-11710,
CVE-2019-11711, CVE-2019-11712, CVE-2019-11713, CVE-2019-11714,
CVE-2019-11715, CVE-2019-11716, CVE-2019-11717, CVE-2019-11718,
CVE-2019-11719, CVE-2019-11720, CVE-2019-11721, CVE-2019-11723,
CVE-2019-11724, CVE-2019-11725, CVE-2019-11727, CVE-2019-11728,
CVE-2019-11729)
It was discovered that Firefox treats all files in a directory as same
origin. If a user were tricked in to downloading a specially crafted HTML
file, an attacker could potentially exploit this to obtain sensitive
information from local files. (CVE-2019-11730)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- firefox – 68.0+build3-0ubuntu0.19.04.1
- Ubuntu 18.10
- firefox – 68.0+build3-0ubuntu0.18.10.1
- Ubuntu 18.04 LTS
- firefox – 68.0+build3-0ubuntu0.18.04.1
- Ubuntu 16.04 LTS
- firefox – 68.0+build3-0ubuntu0.16.04.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart Firefox to make
all the necessary changes.
References
- CVE-2019-11709
- CVE-2019-11710
- CVE-2019-11711
- CVE-2019-11712
- CVE-2019-11713
- CVE-2019-11714
- CVE-2019-11715
- CVE-2019-11716
- CVE-2019-11717
- CVE-2019-11718
- CVE-2019-11719
- CVE-2019-11720
- CVE-2019-11721
- CVE-2019-11723
- CVE-2019-11724
- CVE-2019-11725
- CVE-2019-11727
- CVE-2019-11728
- CVE-2019-11729
- CVE-2019-11730
- CVE-2019-9811