CVE-2019-5736

描述

runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary (and consequently obtain host root access) by leveraging the ability to execute a command as root within one of these types of containers: (1) a new container with an attacker-controlled image, or (2) an existing container, to which the attacker previously had write access, that can be attached with docker exec. This occurs because of file-descriptor mishandling, related to /proc/self/exe.

如何修補 CVE-2019-5736

要修補 CVE-2019-5736,請將受影響套件升級到下列已修補版本。

• —升級至 3.1.0-r1 或更新版本
• —升級至 1:3.1.0+really3.0.3-4 或更新版本
• —升級至 1.0.0~rc6+dfsg1-2 或更新版本

CVE-2019-5736 正在被利用嗎?

可能 — EPSS 為 98.6%,屬於高被利用機率區間,建議優先修補。

受影響套件(3)

• from 0, < 3.1.0-r1
• from 0, < 1:3.1.0+really3.0.3-4
• from 0, < 1.0.0~rc6+dfsg1-2

CVSS 分數

參考連結(2)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2019-5736
• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2019-5736