安全公告/【CVE-2021-3716】

基本信息

漏洞名称:
受影响操作系统:Asianux
危险等级:低危
影响源码包:virt:rhel
CVSS评分:3.1
发现日期:2022-11-19
修复日期:
修复版本:libvirt-8.0.0-5.module+718+4fb2a56d.01

漏洞描述

A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary. A MitM attacker could use this flaw to inject a plaintext NBD_OPT_STRUCTURED_REPLY before proxying everything else a client sends to the server, potentially leading the client to terminate the NBD session. The highest threat from this vulnerability is to system availability.

漏洞判定

执行命令yum info PackageName获取软件包版本号，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

修复方式

yum update PackageName

补丁

参考

https://access.redhat.com/security/cve/CVE-2021-3716 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3716 https://nvd.nist.gov/vuln/detail/CVE-2021-3716