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Ubuntu Security Notice USN-3897-1.t.xt

Ubuntu Security Notice USN-3897-1.t.xt
Posted Feb 27, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3897-1 - A use-after-free was discovered in libical. If a user were tricked in to opening a specially crafted ICS calendar file, an attacker could potentially exploit this to cause a denial of service. 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. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-5824, CVE-2018-18509
SHA-256 | b874881641fd7509c472416c48d3b2ffe94626ff3840fa1538992148440c2484

Ubuntu Security Notice USN-3897-1.t.xt

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3897-1
February 26, 2019

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

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- 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:

A use-after-free was discovered in libical. If a user were tricked in to
opening a specially crafted ICS calendar file, an attacker could
potentially exploit this to cause a denial of service. (CVE-2016-5824)

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-2018-18356, CVE-2018-18500, CVE-2019-5785)

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,
gain additional privileges by escaping the sandbox, or execute arbitrary
code. (CVE-2018-18501, CVE-2018-18505)

An issue was discovered with S/MIME signature verification in some
circumstances. An attacker could potentially exploit this by spoofing
signatures for arbitrary content. (CVE-2018-18509)

Update instructions:

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

Ubuntu 18.10:
  thunderbird                     1:60.5.1+build2-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
  thunderbird                     1:60.5.1+build2-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  thunderbird                     1:60.5.1+build2-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  thunderbird                     1:60.5.1+build2-0ubuntu0.14.04.1

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

References:
  https://usn.ubuntu.com/usn/usn-3897-1
  CVE-2016-5824, CVE-2018-18356, CVE-2018-18500, CVE-2018-18501,
  CVE-2018-18505, CVE-2018-18509, CVE-2019-5785

Package Information:
 
https://launchpad.net/ubuntu/+source/thunderbird/1:60.5.1+build2-0ubuntu0.18.10.1
 
https://launchpad.net/ubuntu/+source/thunderbird/1:60.5.1+build2-0ubuntu0.18.04.1
 
https://launchpad.net/ubuntu/+source/thunderbird/1:60.5.1+build2-0ubuntu0.16.04.1
 
https://launchpad.net/ubuntu/+source/thunderbird/1:60.5.1+build2-0ubuntu0.14.04.1


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