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AUSCERT External Security Bulletin Redistribution
ESB-2020.0166
USN-4237-2: SpamAssassin vulnerabilities
16 January 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: SpamAssassin
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-12420 CVE-2018-11805
Reference: ESB-2020.0132
ESB-2020.0109
ESB-2019.4667.2
Original Bulletin:
https://usn.ubuntu.com/4237-2/
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USN-4237-2: SpamAssassin vulnerabilities
15 January 2020
spamassassin vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Summary
Several security issues were fixed in SpamAssassin.
Software Description
o 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
o USN-4237-1
o CVE-2018-11805
o CVE-2019-12420
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