安全公告/【CVE-2020-4067】

基本信息

漏洞名称:
受影响操作系统:桌面操作系统
危险等级:高危
影响源码包:coturn
CVSS评分:7.5
发现日期:2021-12-11
修复版本:4.5.1.1.1-1.1+deb10u2

漏洞描述

In coturn before version 4.5.1.3, there is an issue whereby STUN/TURN response buffer is not initialized properly. There is a leak of information between different client connections. One client (an attacker) could use their connection to intelligently query coturn to get interesting bytes in the padding bytes from the connection of another client. This has been fixed in 4.5.1.3.

修复方式

sudo apt update && sudo apt dist-upgrade

漏洞判定

执行命令apt policy 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

补丁

参考

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4067
https://nvd.nist.gov/vuln/detail/CVE-2020-4067