CVE-2019-15691
7.2
HIGH
CVSS 3.1
EPSS 3.7%
描述
TigerVNC version prior to 1.10.1 is vulnerable to stack use-after-return, which occurs due to incorrect usage of stack memory in ZRLEDecoder. If decoding routine would throw an exception, ZRLEDecoder may try to access stack variable, which has been already freed during the process of stack unwinding. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
如何修補 CVE-2019-15691
要修補 CVE-2019-15691,請將受影響套件升級到下列已修補版本。
- —升級至 1.10.1+dfsg-1 或更新版本
CVE-2019-15691 正在被利用嗎?
低 — EPSS 為 3.7%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 1.10.1+dfsg-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |