【安全公告:UTSA-2022-000388】-【CVE-2022-39958】

发布日期:2022-10-31

基本信息

漏洞编号: CVE-2022-39958

受影响系统版本: 服务器E版

受影响源码包: mod_security_crs

修复版本: mod_security_crs-3.2.2-1.uel20

CWE编号: CWE-116

漏洞等级: 高危

CVSS_v3评分: 7.5

漏洞描述

The OWASP ModSecurity Core Rule Set (CRS) is affected by a response body bypass to sequentially exfiltrate small and undetectable sections of data by repeatedly submitting an HTTP Range header field with a small byte range. A restricted resource, access to which would ordinarily be detected, may be exfiltrated from the backend, despite being protected by a web application firewall that uses CRS. Short subsections of a restricted resource may bypass pattern matching techniques and allow undetected access. The legacy CRS versions 3.0.x and 3.1.x are affected, as well as the currently supported versions 3.2.1 and 3.3.2. Integrators and users are advised to upgrade to 3.2.2 and 3.3.3 respectively and to configure a CRS paranoia level of 3 or higher.

修复方式

yum update PackageName

是否受影响判断

判断方法:yum info PackageName
结果说明: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。

补丁链接

暂无