Apache SpamAssassin has an OS Command Injection vulnerability
CVE-2020-1946

9.8CRITICAL

Key Information:

Vendor
Apache
Status
Apache Spamassassin
Vendor
CVE Published:
25 March 2021

Summary

In Apache SpamAssassin before 3.4.5, malicious rule configuration (.cf) files can be configured to run system commands without any output or errors. With this, exploits can be injected in a number of scenarios. In addition to upgrading to SA version 3.4.5, users should only use update channels or 3rd party .cf files from trusted places.

Affected Version(s)

Apache SpamAssassin Apache SpamAssassin < 3.4.5

References

https://s.apache.org/3r1wh
x_refsource_MISC
https://www.debian.org/security/2021/dsa-4879
vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Apache SpamAssassin would like to thank Damian Lukowski at credativ for ethically reporting this issue.
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