CVE-2020-1946
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Apache Spamassassin
PublishedMar 25, 2021
First seenMar 25, 2021
Weakness typeCWE-78OS command injection
How to fix
Update
- apache spamassassin3.4.5 or later
Vendor advisories
- debian.org/security/2021/dsa-4879
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7V2SBVTKVLFFT36ECJQ7TQ7KAQCQZDRZ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JFBFRIG5TX23NF4ND6OAKKY7I6TLRCCP/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKAXYBKBMQOLIW6UKASJCAZRBOIYS4RL/
- security.gentoo.org/glsa/202105-26
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache spamassassin | v < 3.4.5 | 3.4.5 |
| debian debian_linux | 9.0, 10.0 | — |
| fedoraproject fedora | 32, 33, 34 | — |
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