CVE-2019-13115
libssh2 - security update
8.1
HIGH
CVSS 3.1
EPSS 11.7%
描述
In libssh2 before 1.9.0, kex_method_diffie_hellman_group_exchange_sha256_key_exchange in kex.c has an integer overflow that could lead to an out-of-bounds read in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server. This is related to an _libssh2_check_length mistake, and is different from the various issues fixed in 1.8.1, such as CVE-2019-3855.
如何修補 CVE-2019-13115
要修補 CVE-2019-13115,請將受影響套件升級到下列已修補版本。
- —升級至 1.9.0-r0 或更新版本
- —升級至 1.9.0-1 或更新版本
- —升級至 1.4.3-4.1+deb8u4 或更新版本
- —升級至 1.7.0-1+deb9u2 或更新版本
- —升級至 1.8.0-2.1+deb10u1 或更新版本
CVE-2019-13115 正在被利用嗎?
中等 — EPSS 為 11.7%,可持續追蹤但非最高優先。
受影響套件(5)
- from 0, < 1.9.0-r0
- from 0, < 1.9.0-1
- from 0, < 1.4.3-4.1+deb8u4
- from 0, < 1.7.0-1+deb9u2
- from 0, < 1.8.0-2.1+deb10u1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |