CVE-2023-42115— Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability
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I. Basic Information for CVE-2023-42115
Vulnerability Information
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Vulnerability Title
Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of a buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. . Was ZDI-CAN-17434.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
Exim 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Exim是一个运行于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存在安全漏洞，该漏洞源于缺乏对用户提供的数据进行正确验证，导致写入超出缓冲区末尾。
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
II. Public POCs for CVE-2023-42115
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | PoC for Exim CVE-2023-42115 | https://github.com/cammclain/CVE-2023-42115 | POC Details |
| 2 | This module exploits a vulnerability in the target service identified as CVE-2023-42115. It sends a crafted payload to the vulnerable service to achieve a specific action. | https://github.com/isotaka134/cve-2023-42115 | POC Details |
| 3 | This module exploits a vulnerability in the target service identified as CVE-2023-42115. | https://github.com/kirinse/cve-2023-42115 | POC Details |
| 4 | A CVE-2023-42115 POC | https://github.com/AdaHop-Cyber-Security/Pocy | POC Details |
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Same Patch Batch · Exim · 2024-05-03 · 6 CVEs total
| CVE-2023-42114 | Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability | |
| CVE-2023-42119 | Exim dnsdb Out-Of-Bounds Read Information Disclosure Vulnerability | |
| CVE-2023-42118 | Exim libspf2 Integer Underflow Remote Code Execution Vulnerability | |
| CVE-2023-42116 | Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability | |
| CVE-2023-42117 | Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability |
IV. Related Vulnerabilities
V. Comments for CVE-2023-42115
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