==========================================================================
Ubuntu Security Notice USN-4237-1
January 13, 2020
spamassassin vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.10
– Ubuntu 19.04
– Ubuntu 18.04 LTS
– Ubuntu 16.04 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 CF files.
If a user or automated system were tricked into using a specially-crafted
CF file, a remote attacker could possibly run arbitrary code.
(CVE-2018-11805)
It was discovered that SpamAssassin incorrectly handled certain messages.
A remote attacker could possibly use this issue to cause SpamAssassin to
consume resources, resulting in a denial of service. (CVE-2019-12420)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.10:
spamassassin 3.4.2-1ubuntu0.19.10.1
Ubuntu 19.04:
spamassassin 3.4.2-1ubuntu0.19.04.1
Ubuntu 18.04 LTS:
spamassassin 3.4.2-0ubuntu0.18.04.2
Ubuntu 16.04 LTS:
spamassassin 3.4.2-0ubuntu0.16.04.2
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4237-1
CVE-2018-11805, CVE-2019-12420
Package Information:
https://launchpad.net/ubuntu/+source/spamassassin/3.4.2-1ubuntu0.19.10.1
https://launchpad.net/ubuntu/+source/spamassassin/3.4.2-1ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/spamassassin/3.4.2-0ubuntu0.18.04.2
https://launchpad.net/ubuntu/+source/spamassassin/3.4.2-0ubuntu0.16.04.2
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