==========================================================================
Ubuntu Security Notice USN-4237-2
January 15, 2020
spamassassin vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in SpamAssassin.
Software Description:
– spamassassin: Perl-based spam filter using text analysis
Details:
USN-4237-1 fixed several vulnerabilities in SpamAssassin. This update provides
the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.
Original advisory 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 14.04 ESM:
spamassassin 3.4.2-0ubuntu0.14.04.1+esm1
Ubuntu 12.04 ESM:
spamassassin 3.4.2-0ubuntu0.12.04.3
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4237-2
https://usn.ubuntu.com/4237-1
CVE-2018-11805, CVE-2019-12420
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