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AUSCERT External Security Bulletin Redistribution
ESB-2019.2385
USN-4045-1: Thunderbird vulnerabilities
2 July 2019
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AusCERT Security Bulletin Summary
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Product: Thunderbird
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11708 CVE-2019-11707
Reference: ASB-2019.0166
ESB-2019.2327
ESB-2019.2291
ESB-2019.2289
Original Bulletin:
https://usn.ubuntu.com/4045-1/
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USN-4045-1: Thunderbird vulnerabilities
1 July 2019
thunderbird vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Several security issues were fixed in Thunderbird.
Software Description
o 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
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
After a standard system update you need to restart Thunderbird to make all the
necessary changes.
References
o CVE-2019-11707
o CVE-2019-11708
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