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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