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AUSCERT External Security Bulletin Redistribution
30 January 2018
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Provide Misleading Information -- Remote/Unauthenticated
Access Confidential Data -- Remote with User Interaction
CVE Names: CVE-2018-5117 CVE-2018-5104 CVE-2018-5103
CVE-2018-5102 CVE-2018-5099 CVE-2018-5098
CVE-2018-5097 CVE-2018-5096 CVE-2018-5095
CVE-2018-5089 CVE-2018-5013 CVE-2017-7848
CVE-2017-7847 CVE-2017-7846 CVE-2017-7829
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Ubuntu Security Notice USN-3529-1
January 29, 2018
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 17.10
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS
Several security issues were fixed in Thunderbird.
- - thunderbird: Mozilla Open Source mail and newsgroup client
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)
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
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.
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.
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,
The problem can be corrected by updating your system to the following
Ubuntu 16.04 LTS:
Ubuntu 14.04 LTS:
After a standard system update you need to restart Thunderbird to make
all the necessary changes.
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,
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