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

Quick assessment

Affected
Apache Software Foundation Apache SpamAssassin
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache SpamAssassin是美国阿帕奇（Apache）基金会的一款开源的垃圾邮件过滤器。该产品为系统管理员提供了一个过滤器，并支持对电子邮件进行分类阻止垃圾邮件。 Apache SpamAssassin before 3.4.5 存在操作系统命令注入漏洞，该漏洞允许配置恶意规则配置(.cf)文件来运行系统命令，而不会有任何输出或错误。

AI Predicted 9.8 Difficulty: Easy EPSS 6.13% · P93
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I. Basic Information for CVE-2020-1946

Vulnerability Information
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Vulnerability Title
Apache SpamAssassin has an OS Command Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache SpamAssassin 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache SpamAssassin是美国阿帕奇（Apache）基金会的一款开源的垃圾邮件过滤器。该产品为系统管理员提供了一个过滤器，并支持对电子邮件进行分类阻止垃圾邮件。 Apache SpamAssassin before 3.4.5 存在操作系统命令注入漏洞，该漏洞允许配置恶意规则配置(.cf)文件来运行系统命令，而不会有任何输出或错误。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache SpamAssassin Apache SpamAssassin ~ 3.4.5 -

II. Public POCs for CVE-2020-1946

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III. Intelligence Information for CVE-2020-1946

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Vendor Advisories for CVE-2020-1946 (1)

Mailing List Discussions for CVE-2020-1946 (4)

IV. Related Vulnerabilities

Same product: Apache SpamAssassin
Same vendor: Apache Software Foundation
Same weakness: CWE-78

V. Comments for CVE-2020-1946

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