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

What is CVE-2020-1946?

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.

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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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