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USN-4064-1: Thunderbird vulnerabilities

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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 sandbox escape was discovered in Thunderbird. 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 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 restrictions, conduct cross-site scripting (XSS) attacks, spoof origin attributes, or execute arbitrary code. (CVE-2019-11709, CVE-2019-11711, CVE-2019-11712, CVE-2019-11713, CVE-2019-11715, CVE-2019-11717)

It was discovered that NSS incorrectly handled importing certain curve25519 private keys. An attacker could exploit this issue to cause Thunderbird to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2019-11719)

It was discovered that NSS incorrectly handled certain p256-ECDH public keys. An attacker could possibly exploit this issue to cause Thunderbird to crash, resulting in a denial of service. (CVE-2019-11729)

It was discovered that Thunderbird 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
thunderbird - 1:60.8.0+build1-0ubuntu0.19.04.1
Ubuntu 18.10
thunderbird - 1:60.8.0+build1-0ubuntu0.18.10.1
Ubuntu 18.04 LTS
thunderbird - 1:60.8.0+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS
thunderbird - 1:60.8.0+build1-0ubuntu0.16.04.2

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

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