RHSA-2020:4625 - Security Advisory

Topic

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.

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.

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

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.4 x86_64
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.4 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.4 x86_64

Fixes

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

CVEs

• CVE-2018-11805
• CVE-2019-12420
• CVE-2020-1930
• CVE-2020-1931

References

• 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/