安全公告/【CVE-2020-11996】

基本信息

漏洞名称:
受影响操作系统:Asianux
危险等级:高危
影响源码包:tomcat9
CVSS评分:7.5
发现日期:2023-08-03
修复日期:
修复版本:9.0.31-1~deb10u2

漏洞描述

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.

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

修复方式

sudo apt update && sudo apt dist-upgrade

补丁

参考

https://security-tracker.debian.org/tracker/CVE-2020-11996 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11996 https://nvd.nist.gov/vuln/detail/CVE-2020-11996