【安全公告:UTSA-2022-000485】-【CVE-2021-4217】

发布日期:2022-11-05

基本信息

漏洞编号: CVE-2021-4217

受影响系统版本: 服务器D版

受影响源码包: unzip

修复版本: 6.0.7.2-1+deepin

CWE编号: CWE-476

漏洞等级: 低危

CVSS_v3评分: 3.3

漏洞描述

A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

修复方式

sudo apt update && sudo apt dist-upgrade

是否受影响判断

判断方法:apt policy PackageName
结果说明:版本小于修复版本,则受此漏洞影响,版本大于等于修复版本,则此漏洞已修复。

补丁链接

暂无