7.5 - USN-3997-1

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:

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, bypass same-origin protections, or execute arbitrary code. (CVE-2019-18511, CVE-2019-11691, CVE-2019-11692, CVE-2019-11693, CVE-2019-9797, CVE-2019-9800, CVE-2019-9817, CVE-2019-9819, CVE-2019-9820)

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code. (CVE-2019-5798, CVE-2019-7317)

A type confusion bug was discovered with object groups and UnboxedObjects. If a user were tricked in to opening a specially crafted website in a browsing context after enabling the UnboxedObjects feature, an attacker could potentially exploit this to bypass security checks. (CVE-2019-9816)

It was discovered that history data could be exposed via drag and drop of hyperlinks to and from bookmarks. If a user were tricked in to dragging a specially crafted hyperlink to a bookmark toolbar or sidebar, and subsequently back in to the web content area, an attacker could potentially exploit this to obtain sensitive information. (CVE-2019-11698)

Update instructions:

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

Ubuntu 19.04:  thunderbird                    1:60.7.0+build1-0ubuntu0.19.04.1

Ubuntu 18.10:  thunderbird                    1:60.7.0+build1-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:  thunderbird                    1:60.7.0+build1-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:  thunderbird                    1:60.7.0+build1-0ubuntu0.16.04.1

After a standard system update you need to restart Thunderbird to make all the necessary changes.

References:  https://usn.ubuntu.com/usn/usn-3997-1  CVE-2018-18511, CVE-2019-11691, CVE-2019-11692, CVE-2019-11693,  CVE-2019-11698, CVE-2019-5798, CVE-2019-7317, CVE-2019-9797,  CVE-2019-9800, CVE-2019-9816, CVE-2019-9817, CVE-2019-9819,  CVE-2019-9820

Package Information:  https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.0+build1-0ubuntu0.19.04.1  https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.0+build1-0ubuntu0.18.10.1  https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.0+build1-0ubuntu0.18.04.1  https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.0+build1-0ubuntu0.16.04.1