CVE-2019-3857
8.8
HIGH
CVSS 3.1
EPSS 6.1%
描述
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
如何修補 CVE-2019-3857
要修補 CVE-2019-3857,請將受影響套件升級到下列已修補版本。
- Alpine/libssh2—升級至 1.8.1-r0 或更新版本
CVE-2019-3857 正在被利用嗎?
中等 — EPSS 為 6.1%,可持續追蹤但非最高優先。
受影響套件(1)
- >= 1.2.8, < 1.8.1-r0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |