CVE-2018-12617
qemu - security update
7.5
HIGH
CVSS 3.1
EPSS 25.3%
描述
qmp_guest_file_read in qga/commands-posix.c and qga/commands-win32.c in qemu-ga (aka QEMU Guest Agent) in QEMU 2.12.50 has an integer overflow causing a g_malloc0() call to trigger a segmentation fault when trying to allocate a large memory chunk. The vulnerability can be exploited by sending a crafted QMP command (including guest-file-read with a large count value) to the agent via the listening socket.
如何修補 CVE-2018-12617
要修補 CVE-2018-12617,請將受影響套件升級到下列已修補版本。
- —升級至 1:3.1+dfsg-1 或更新版本
- —升級至 1:2.1+dfsg-12+deb8u10 或更新版本
CVE-2018-12617 正在被利用嗎?
中等 — EPSS 為 25.3%,可持續追蹤但非最高優先。
受影響套件(2)
- from 0, < 1:3.1+dfsg-1
- from 0, < 1:2.1+dfsg-12+deb8u10
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |