安全公告/【CVE-2019-18676】

基本信息

漏洞描述

An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.

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

参考

https://security-tracker.debian.org/tracker/CVE-2019-18676 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18676 https://nvd.nist.gov/vuln/detail/CVE-2019-18676