CVE-2023-42116
9.8
CRITICAL
CVSS 3.1
EPSS 3.2%
描述
Exim SMTP Challenge Stack-based Buffer Overflow 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 handling of NTLM challenge requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. . Was ZDI-CAN-17515.
如何修補 CVE-2023-42116
要修補 CVE-2023-42116,請將受影響套件升級到下列已修補版本。
- —升級至 4.94.2-7+deb11u1 或更新版本
CVE-2023-42116 正在被利用嗎?
低 — EPSS 為 3.2%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.94.2-7+deb11u1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |