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Ubuntu Security Notice USN-3529-1
January 29, 2018

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

- 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:

It was discovered that a From address encoded with a null character is
cut off in the message header display. An attacker could potentially
exploit this to spoof the sender address. (CVE-2017-7829)

It was discovered that it is possible to execute JavaScript in RSS feeds
in some circumstances. If a user were tricked in to opening a specially
crafted RSS feed, an attacker could potentially exploit this in
combination with another vulnerability, in order to cause unspecified
problems. (CVE-2017-7846)

It was discovered that the RSS feed can leak local path names. If a user
were tricked in to opening a specially crafted RSS feed, an attacker
could potentially exploit this to obtain sensitive information.
(CVE-2017-7847)

It was discovered that RSS feeds are vulnerable to new line injection. If=

a user were tricked in to opening a specially crafted RSS feed, an
attacker could potentially exploit this to cause unspecified problems.
(CVE-2017-7848)

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,=

execute arbitrary code, or cause other unspecified effects.
(CVE-2018-5089, CVE-2018-5095, CVE-2018-5096, CVE-2018-5097,
CVE-2018-5098, CVE-2018-5099, CVE-2018-5102, CVE-2018-5013, CVE-2018-5104=
,
CVE-2018-5117)

Update instructions:

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

Ubuntu 17.10:
  thunderbird                     1:52.6.0+build1-0ubuntu0.17.10.1

Ubuntu 16.04 LTS:
  thunderbird                     1:52.6.0+build1-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  thunderbird                     1:52.6.0+build1-0ubuntu0.14.04.1

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

References:
  https://www.ubuntu.com/usn/usn-3529-1
  CVE-2017-7829, CVE-2017-7846, CVE-2017-7847, CVE-2017-7848,
  CVE-2018-5089, CVE-2018-5095, CVE-2018-5096, CVE-2018-5097,
  CVE-2018-5098, CVE-2018-5099, CVE-2018-5102, CVE-2018-5103,
  CVE-2018-5104, CVE-2018-5117

Package Information:
  https://launchpad.net/ubuntu/+source/thunderbird/1:52.6.0+build1-0ubunt=
u0.17.10.1
  https://launchpad.net/ubuntu/+source/thunderbird/1:52.6.0+build1-0ubunt=
u0.16.04.1
  https://launchpad.net/ubuntu/+source/thunderbird/1:52.6.0+build1-0ubunt=
u0.14.04.1



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