CVE-2023-42118
8.8
HIGH
CVSS 3.1
EPSS 51.5%
描述
Exim libspf2 Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Exim libspf2. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of SPF macros. When parsing SPF macros, the process does not properly validate user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the service account. . Was ZDI-CAN-17578.
如何修補 CVE-2023-42118
要修補 CVE-2023-42118,請將受影響套件升級到下列已修補版本。
- —升級至 1.2.11-r3 或更新版本
- —未列出修補版本
CVE-2023-42118 正在被利用嗎?
可能 — EPSS 為 51.5%,屬於高被利用機率區間,建議優先修補。
受影響套件(2)
- from 0, < 1.2.11-r3
- from 0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |