CVE-2018-17204
4.3
MEDIUM
CVSS 3.1
EPSS 1.9%
描述
An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6, affecting parse_group_prop_ntr_selection_method in lib/ofp-util.c. When decoding a group mod, it validates the group type and command after the whole group mod has been decoded. The OF1.5 decoder, however, tries to use the type and command earlier, when it might still be invalid. This causes an assertion failure (via OVS_NOT_REACHED). ovs-vswitchd does not enable support for OpenFlow 1.5 by default.
如何修補 CVE-2018-17204
要修補 CVE-2018-17204,請將受影響套件升級到下列已修補版本。
- —升級至 2.10.0+2018.08.28+git.8ca7c82b7d+ds1-1 或更新版本
CVE-2018-17204 正在被利用嗎?
低 — EPSS 為 1.9%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 2.10.0+2018.08.28+git.8ca7c82b7d+ds1-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |