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CVE-2020-1946

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Date: March 25, 2021

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.

Language: Perl

Severity Score

Related Resources (16)

https://security.gentoo.org/glsa/202105-26
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKAXYBKBMQOLIW6UKASJCAZRBOIYS4RL/
https://nvd.nist.gov/vuln/detail/CVE-2020-1946
https://security.alpinelinux.org/vuln/CVE-2020-1946
https://access.redhat.com/security/cve/CVE-2020-1946
https://security-tracker.debian.org/tracker/CVE-2020-1946
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7V2SBVTKVLFFT36ECJQ7TQ7KAQCQZDRZ/
https://s.apache.org/3r1wh
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NKAXYBKBMQOLIW6UKASJCAZRBOIYS4RL/
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-1946
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JFBFRIG5TX23NF4ND6OAKKY7I6TLRCCP/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7V2SBVTKVLFFT36ECJQ7TQ7KAQCQZDRZ/
https://www.debian.org/security/2021/dsa-4879
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JFBFRIG5TX23NF4ND6OAKKY7I6TLRCCP/
https://lists.debian.org/debian-lts-announce/2021/04/msg00000.html
https://www.mend.io/vulnerability-database/CVE-2020-1946

Severity Score

Weakness Type (CWE)

OS Command Injections

CWE-78

Top Fix

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Upgrade to version spamassassin_release_3_4_5_rc2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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