Ubuntu Security Update USN-4237-2: SpamAssassin vulnerabilities

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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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References


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