thunderbird vulnerabilities

28 May 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

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

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

• 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