• CVE-2020-8492

发布时间: 2021年8月24日

修改时间: 2021年8月24日

概要

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.

CVSS v3 指标

NVD openEuler
Confidentiality None None
Attack Vector Network Network
CVSS评分 6.5 6.5
Attack Complexity Low Low
Privileges Required None None
Scope Unchanged Unchanged
Integrity None None
User Interaction Required Required
Availability High High

安全公告

公告名 概要 发布时间
KylinSec-SA-2021-1570 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. 2021年8月24日

影响产品

产品 状态
KY3.4-4A python3 Unaffected