[USN-3811-1] SpamAssassin vulnerabilities
marc.deslauriers at canonical.com
Tue Nov 6 17:47:18 UTC 2018
Ubuntu Security Notice USN-3811-1
November 06, 2018
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Several security issues were fixed in SpamAssassin.
- spamassassin: Perl-based spam filter using text analysis
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.
It was discovered that SpamAssassin incorrectly handled meta rule syntax. A
local attacker could possibly use this issue to execute arbitrary code.
The problem can be corrected by updating your system to the following
Ubuntu 18.04 LTS:
Ubuntu 16.04 LTS:
Ubuntu 14.04 LTS:
This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
CVE-2017-15705, CVE-2018-11780, CVE-2018-11781
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