CVE-2023-42117
9.8
CRITICAL
CVSS 3.1
EPSS 5.7%
描述
Exim Improper Neutralization of Special Elements 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 memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17554.
如何修補 CVE-2023-42117
要修補 CVE-2023-42117,請將受影響套件升級到下列已修補版本。
- —升級至 4.94.2-7+deb11u4 或更新版本
CVE-2023-42117 正在被利用嗎?
中等 — EPSS 為 5.7%,可持續追蹤但非最高優先。
受影響套件(1)
- from 0, < 4.94.2-7+deb11u4
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 |