=========================================================================Ubuntu Security Notice USN-4045-1
July 01, 2019
thunderbird 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:
Several security issues were fixed in Thunderbird.
Software Description:
- thunderbird: Mozilla Open Source mail and newsgroup client
Details:
A type confusion bug was discovered in Thunderbird. If a user were
tricked in to opening a specially crafted website in a browsing context,
an attacker could exploit this by causing a denial of service, or
executing arbirary code. (CVE-2019-11707)
It was discovered that a sandboxed child process could open arbitrary web
content in the parent process via the Prompt:Open IPC message. When
combined with another vulnerability, an attacker could potentially exploit
this to execute arbitrary code. (CVE-2019-11708)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.04:
thunderbird 1:60.7.2+build2-0ubuntu0.19.04.1
Ubuntu 18.10:
thunderbird 1:60.7.2+build2-0ubuntu0.18.10.1
Ubuntu 18.04 LTS:
thunderbird 1:60.7.2+build2-0ubuntu0.18.04.1
Ubuntu 16.04 LTS:
thunderbird 1:60.7.2+build2-0ubuntu0.16.04.1
After a standard system update you need to restart Thunderbird to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-4045-1
CVE-2019-11707, CVE-2019-11708
Package Information:
https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.2+build2-0ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.2+build2-0ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.2+build2-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.2+build2-0ubuntu0.16.04.1
