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AUSCERT External Security Bulletin Redistribution
ESB-2021.1051
Apache SpamAssassin security update
25 March 2021
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AusCERT Security Bulletin Summary
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Product: Apache SpamAssassin
Publisher: Apache
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Unknown/Unspecified
Resolution: Patch/Upgrade
CVE Names: CVE-2020-1946
Original Bulletin:
http://mail-archives.apache.org/mod_mbox/www-announce/202103.mbox/%3C241c47dc-467f-c622-c8ab-e06df159b475@apache.org%3E
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Apache SpamAssassin 3.4.5 was recently released [1], and fixes an issue of security note
where malicious rule configuration (.cf) files can be configured to run system commands.
In Apache SpamAssassin before 3.4.5, exploits can be injected in a number of scenarios.
In addition to upgrading to SA 3.4.5, users should only use update
channels or 3rd party .cf files from trusted places.
Apache SpamAssassin would like to thank Damian Lukowski at credativ for ethically
reporting this issue.
This issue has been assigned CVE id CVE-2020-1946 [2]
To contact the Apache SpamAssassin security team, please e-mail
security at spamassassin.apache.org. For more information about Apache
SpamAssassin, visit the https://spamassassin.apache.org/ web site.
Apache SpamAssassin Security Team
[1]: https://s.apache.org/ng9u9
[2]: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-1946
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Sidney Markowitz
Chair, Apache SpamAssassin PMC
sidney@apache.org
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