USN-4237-1: SpamAssassin vulnerabilities

Releases

• Ubuntu 19.10
• Ubuntu 19.04
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• 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

• spamassassin - 3.4.2-0ubuntu0.18.04.2

Ubuntu 16.04

• spamassassin - 3.4.2-0ubuntu0.16.04.2

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

References

• CVE-2018-11805
• CVE-2019-12420

Related notices

• USN-4237-2: sa-compile, spamc, spamassassin