安全公告/【CVE-2022-37797】

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:2022-11-04
修复版本:lighttpd-1.4.56-1

漏洞描述

In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition.

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://gitee.com/src-openeuler/lighttpd/issues/I5QOQI
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-37797
https://nvd.nist.gov/vuln/detail/CVE-2022-37797