[USN-3811-1] SpamAssassin vulnerabilities


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From: Marc Deslauriers
Reply-To: Ubuntu Security
To: “ubuntu-security-announce@lists.ubuntu.com”

Message-ID:
Subject: [USN-3811-1] SpamAssassin vulnerabilities

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Ubuntu Security Notice USN-3811-1
November 06, 2018

spamassassin vulnerabilities
=
=

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

– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in SpamAssassin.

Software Description:
– spamassassin: Perl-based spam filter using text analysis

Details:

It was discovered that SpamAssassin incorrectly handled certain unclosed
tags in emails. A remote attacker could possibly use this issue to cause =
a
denial of service. (CVE-2017-15705)

It was discovered that SpamAssassin incorrectly handled the PDFInfo plugi=
n.
A remote attacker could possibly use this issue to execute arbitrary code=
=2E
(CVE-2018-11780)

It was discovered that SpamAssassin incorrectly handled meta rule syntax.=
A
local attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-11781)

Update instructions:

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

Ubuntu 18.04 LTS:
spamassassin 3.4.2-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
spamassassin 3.4.2-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
spamassassin 3.4.2-0ubuntu0.14.04.1

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
https://usn.ubuntu.com/usn/usn-3811-1
CVE-2017-15705, CVE-2018-11780, CVE-2018-11781

Package Information:
https://launchpad.net/ubuntu/+source/spamassassin/3.4.2-0ubuntu0.18.04.=
1
https://launchpad.net/ubuntu/+source/spamassassin/3.4.2-0ubuntu0.16.04.=
1
https://launchpad.net/ubuntu/+source/spamassassin/3.4.2-0ubuntu0.14.04.=
1

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