Operating System:

[RedHat]

Published:

06 November 2020

Protect yourself against future threats.

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3881
                       spamassassin security update
                              6 November 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           spamassassin
Publisher:         Red Hat
Operating System:  Red Hat
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote/Unauthenticated      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-1931 CVE-2020-1930 CVE-2019-12420
                   CVE-2018-11805  

Reference:         ESB-2020.3347
                   ESB-2020.1100

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2020:4625

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: spamassassin security update
Advisory ID:       RHSA-2020:4625-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4625
Issue date:        2020-11-03
CVE Names:         CVE-2018-11805 CVE-2019-12420 CVE-2020-1930 
                   CVE-2020-1931 
=====================================================================

1. Summary:

An update for spamassassin is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

The SpamAssassin tool provides a way to reduce unsolicited commercial email
(spam) from incoming email.

Security Fix(es):

* spamassassin: crafted configuration files can run system commands without
any output or errors (CVE-2018-11805)

* spamassassin: crafted email message can lead to DoS (CVE-2019-12420)

* spamassassin: command injection via crafted configuration file
(CVE-2020-1930)

* spamassassin: command injection via crafted configuration file
(CVE-2020-1931)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.3 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1630362 - Obsolete channel sought.conf should be removed
1784974 - CVE-2018-11805 spamassassin: crafted configuration files can run system commands without any output or errors
1784984 - CVE-2019-12420 spamassassin: crafted email message can lead to DoS
1802975 - CVE-2020-1931 spamassassin: command injection via crafted configuration file
1802977 - CVE-2020-1930 spamassassin: command injection via crafted configuration file

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
spamassassin-3.4.2-10.el8.src.rpm

aarch64:
spamassassin-3.4.2-10.el8.aarch64.rpm
spamassassin-debuginfo-3.4.2-10.el8.aarch64.rpm
spamassassin-debugsource-3.4.2-10.el8.aarch64.rpm

ppc64le:
spamassassin-3.4.2-10.el8.ppc64le.rpm
spamassassin-debuginfo-3.4.2-10.el8.ppc64le.rpm
spamassassin-debugsource-3.4.2-10.el8.ppc64le.rpm

s390x:
spamassassin-3.4.2-10.el8.s390x.rpm
spamassassin-debuginfo-3.4.2-10.el8.s390x.rpm
spamassassin-debugsource-3.4.2-10.el8.s390x.rpm

x86_64:
spamassassin-3.4.2-10.el8.x86_64.rpm
spamassassin-debuginfo-3.4.2-10.el8.x86_64.rpm
spamassassin-debugsource-3.4.2-10.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-11805
https://access.redhat.com/security/cve/CVE-2019-12420
https://access.redhat.com/security/cve/CVE-2020-1930
https://access.redhat.com/security/cve/CVE-2020-1931
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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