安全公告/【CVE-2022-41556】

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:lighttpd
CVSS评分:7.5
发现日期:2022-11-01
修复版本:lighttpd-1.4.67-1

漏洞描述

A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients. It is related to RDHUP mishandling in certain HTTP/1.1 chunked situations. Use of mod_fastcgi is, for example, affected. This is fixed in 1.4.67.

修复方式

yum update PackageName

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

补丁

参考

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-41556
https://nvd.nist.gov/vuln/detail/CVE-2022-41556