what you don't know can hurt you

Ubuntu Security Notice USN-3660-1

Ubuntu Security Notice USN-3660-1
Posted May 26, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3660-1 - 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. 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. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-5150, CVE-2018-5154, CVE-2018-5155, CVE-2018-5159, CVE-2018-5161, CVE-2018-5162, CVE-2018-5168, CVE-2018-5170, CVE-2018-5178, CVE-2018-5183, CVE-2018-5184, CVE-2018-5185
MD5 | 11fa09669977d60b25439b9cb7f6291a

Ubuntu Security Notice USN-3660-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3660-1
May 25, 2018

thunderbird vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 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
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)

Update instructions:

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

Ubuntu 18.04 LTS:
thunderbird 1:52.8.0+build1-0ubuntu0.18.04.1

Ubuntu 17.10:
thunderbird 1:52.8.0+build1-0ubuntu0.17.10.1

Ubuntu 16.04 LTS:
thunderbird 1:52.8.0+build1-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
thunderbird 1:52.8.0+build1-0ubuntu0.14.04.1

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

References:
https://usn.ubuntu.com/usn/usn-3660-1
CVE-2018-5150, CVE-2018-5154, CVE-2018-5155, CVE-2018-5159,
CVE-2018-5161, CVE-2018-5162, CVE-2018-5168, CVE-2018-5170,
CVE-2018-5178, CVE-2018-5183, CVE-2018-5184, CVE-2018-5185

Package Information:
https://launchpad.net/ubuntu/+source/thunderbird/1:52.8.0+build1-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/thunderbird/1:52.8.0+build1-0ubuntu0.17.10.1
https://launchpad.net/ubuntu/+source/thunderbird/1:52.8.0+build1-0ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/thunderbird/1:52.8.0+build1-0ubuntu0.14.04.1


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