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CVE-2020-7845— Jiransecurity Spamsniper Stack-based Buffer Overflow Vulnerability

Quick assessment

Affected
Jiransecurity Spamsniper
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Jiransecurity Spamsniper是韩国Jiransecurity公司的一款集成多功能的电子邮件安全软件。该软件具备阻止垃圾邮件，病毒邮件、防骗、邮件服务器保护、管理、归档等功能。 Spamsniper 5.0版本至5.2.7版本存在缓冲区错误漏洞，该漏洞源于命令解析邮件时边界检查不当导致的基于堆栈的缓冲区溢出漏洞。它导致远程攻击者可利用该漏洞通过精心制作的数据包执行任意代码。

CVSS 8.1 · High EPSS 2.80% · P86

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-7845

Vulnerability Information
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Vulnerability Title
Jiransecurity Spamsniper Stack-based Buffer Overflow Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Spamsniper 5.0 ~ 5.2.7 contain a stack-based buffer overflow vulnerability caused by improper boundary checks when parsing MAIL FROM command. It leads remote attacker to execute arbitrary code via crafted packet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Jiransecurity Spamsniper 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jiransecurity Spamsniper是韩国Jiransecurity公司的一款集成多功能的电子邮件安全软件。该软件具备阻止垃圾邮件，病毒邮件、防骗、邮件服务器保护、管理、归档等功能。 Spamsniper 5.0版本至5.2.7版本存在缓冲区错误漏洞，该漏洞源于命令解析邮件时边界检查不当导致的基于堆栈的缓冲区溢出漏洞。它导致远程攻击者可利用该漏洞通过精心制作的数据包执行任意代码。
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
Jiransecurity Spamsniper 5.2.7 ~ 5.7.8 revision 5500 -

II. Public POCs for CVE-2020-7845

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III. Intelligence Information for CVE-2020-7845

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Other References for CVE-2020-7845 (2)

IV. Related Vulnerabilities

Same weakness: CWE-121