CVE-2021-3504

描述

A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds check within the hivex_open function. An attacker could input a specially crafted Windows Registry (hive) file which would cause hivex to read memory beyond its normal bounds or cause the program to crash. The highest threat from this vulnerability is to system availability.

如何修補 CVE-2021-3504

要修補 CVE-2021-3504,請將受影響套件升級到下列已修補版本。

• —升級至 1.3.20-1 或更新版本
• —升級至 1.3.13-2+deb9u1 或更新版本
• —升級至 1.3.18-1+deb10u1 或更新版本

CVE-2021-3504 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(3)

• from 0, < 1.3.20-1
• from 0, < 1.3.13-2+deb9u1
• from 0, < 1.3.18-1+deb10u1

CVSS 分數

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2021-3504