Advisory Published

USN-3660-1: Thunderbird vulnerabilities

First published: Fri May 25 2018(Updated: )

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 via application crash, install lightweight themes without user interaction, or execute arbitrary code. (CVE-2018-5150, CVE-2018-5154, CVE-2018-5155, CVE-2018-5159, CVE-2018-5168, CVE-2018-5178) An issue was discovered when processing message headers in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit this to cause a denial of service via application hang. (CVE-2018-5161) It was discovered encrypted messages could leak plaintext via the src attribute of remote images or links. An attacker could potentially exploit this to obtain sensitive information. (CVE-2018-5162) It was discovered that the filename of an attachment could be spoofed. An attacker could potentially exploit this by tricking the user in to opening an attachment of a different type to the one expected. (CVE-2018-5170) Multiple security issues were discovered in Skia. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. (CVE-2018-5183) It was discovered that S/MIME encrypted messages with remote content could leak plaintext via a chosen-ciphertext attack. An attacker could potentially exploit this to obtain sensitive information. (CVE-2018-5184) It was discovered that plaintext of decrypted emails could leak by submitting an embedded form. An attacker could potentially exploit this to obtain sensitive information. (CVE-2018-5185)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/thunderbird<1:52.8.0+build1-0ubuntu0.18.04.1
1:52.8.0+build1-0ubuntu0.18.04.1
=18.04
All of
ubuntu/thunderbird<1:52.8.0+build1-0ubuntu0.17.10.1
1:52.8.0+build1-0ubuntu0.17.10.1
=17.10
All of
ubuntu/thunderbird<1:52.8.0+build1-0ubuntu0.16.04.1
1:52.8.0+build1-0ubuntu0.16.04.1
=16.04
All of
ubuntu/thunderbird<1:52.8.0+build1-0ubuntu0.14.04.1
1:52.8.0+build1-0ubuntu0.14.04.1
=14.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-3660-1?

    The severity of USN-3660-1 is high.

  • How can an attacker exploit USN-3660-1?

    An attacker can potentially exploit USN-3660-1 by tricking a user into opening a specially crafted website in a browsing context.

  • What are the potential impacts of USN-3660-1?

    The potential impacts of USN-3660-1 are denial of service via application crash, installation of lightweight themes without user interaction.

  • Which versions of Thunderbird are affected by USN-3660-1?

    Versions 1:52.8.0+build1-0ubuntu0.18.04.1, 1:52.8.0+build1-0ubuntu0.17.10.1, 1:52.8.0+build1-0ubuntu0.16.04.1, and 1:52.8.0+build1-0ubuntu0.14.04.1 of Thunderbird are affected by USN-3660-1.

  • How can I fix USN-3660-1?

    To fix USN-3660-1, update Thunderbird to a version that includes the necessary security patches.

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