安全公告/【CVE-2020-15049】

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:squid
CVSS评分:8.8
发现日期:2023-08-04
修复版本:4.6-1+deb10u3

漏洞描述

An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon shell whitespace character prefix to the length field-value.

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://security-tracker.debian.org/tracker/CVE-2020-15049
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15049
https://nvd.nist.gov/vuln/detail/CVE-2020-15049