CVE-2021-1404

描述

A vulnerability in the PDF parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper buffer size tracking that may result in a heap buffer over-read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.

如何修補 CVE-2021-1404

要修補 CVE-2021-1404,請將受影響套件升級到下列已修補版本。

• —升級至 0.103.2-r0 或更新版本
• —升級至 0.103.2+dfsg-1 或更新版本

CVE-2021-1404 正在被利用嗎?

低 — EPSS 為 2.2%,目前沒有觀察到大規模利用活動。

受影響套件(2)

• from 0, < 0.103.2-r0
• from 0, < 0.103.2+dfsg-1

CVSS 分數

參考連結(2)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2021-1404
• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2021-1404