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CVE-2019-12420

Quick assessment

Affected
Apache 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 3.4.3之前版本中存在安全漏洞。攻击者可借助特制的消息利用该漏洞消耗大量资源。

AI Predicted 5.3 Difficulty: Easy EPSS 7.23% · P94

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2019-12420

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Apache SpamAssassin before 3.4.3, a message can be crafted in a way to use excessive resources. Upgrading to SA 3.4.3 as soon as possible is the recommended fix but details will not be shared publicly.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apache SpamAssassin 资源管理错误漏洞
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 3.4.3之前版本中存在安全漏洞。攻击者可借助特制的消息利用该漏洞消耗大量资源。
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 Apache SpamAssassin Apache SpamAssassin prior to 3.4.3 -

II. Public POCs for CVE-2019-12420

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III. Intelligence Information for CVE-2019-12420

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Vendor Advisories for CVE-2019-12420 (3)

Mailing List Discussions for CVE-2019-12420 (9)

Other References for CVE-2019-12420 (2)

IV. Related Vulnerabilities

Same product: Apache SpamAssassin
Same vendor: Apache

V. Comments for CVE-2019-12420

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