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CVE-2017-16943

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Exim是英国剑桥大学开发的一个运行于Unix系统中的开源消息传送代理（MTA），它主要负责邮件的路由、转发和投递。 Exim 4.88版本和4.89版本中的SMTP守护进程的receive.c文件的‘receive_msg’函数存在安全漏洞。远程攻击者可利用该漏洞执行任意代码或造成拒绝服务（释放后重用）。

AI Predicted 9.8 Difficulty: Easy EPSS 46.71% · P99
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I. Basic Information for CVE-2017-16943

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.
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
Exim 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Exim是英国剑桥大学开发的一个运行于Unix系统中的开源消息传送代理（MTA），它主要负责邮件的路由、转发和投递。 Exim 4.88版本和4.89版本中的SMTP守护进程的receive.c文件的‘receive_msg’函数存在安全漏洞。远程攻击者可利用该漏洞执行任意代码或造成拒绝服务（释放后重用）。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2017-16943

# POC Description Source Link Shenlong Link
1 None https://github.com/beraphin/CVE-2017-16943 POC Details
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III. Intelligence Information for CVE-2017-16943

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Vendor Advisories for CVE-2017-16943 (2)

Mailing List Discussions for CVE-2017-16943 (5)

Other References for CVE-2017-16943 (3)

Same Patch Batch · n/a · 2017-11-25 · 5 CVEs total

CVE-2017-16946 MISP 安全漏洞
CVE-2017-16942 libsndfile 安全漏洞
CVE-2017-16944 Exim 安全漏洞
CVE-2017-16941 October CMS 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2017-16943

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