• 公告ID (KylinSec-SA-2021-1570)

摘要:

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.

安全等级: Low

公告ID: KylinSec-SA-2021-1570

发布日期: 2021年8月24日

关联CVE: CVE-2020-8492  

  • 详细介绍

1. 漏洞描述

   

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.

2. 影响范围

cve名称 产品 组件 是否受影响
CVE-2020-8492 KY3.4-4A python3 Unaffected

3. 影响组件

    无

4. 修复版本

    无

5. 修复方法

   无

6. 下载链接

    无
上一篇:KylinSec-SA-2021-1322 下一篇:KylinSec-SA-2021-1572