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USN-3811-1: SpamAssassin vulnerabilities

6 November 2018

Several security issues were fixed in SpamAssassin.

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Releases

Packages

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 plugin.
A remote attacker could possibly use this issue to execute arbitrary code.
(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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

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