• CVE-2021-23336

发布时间: 2022年9月30日

修改时间: 2022年9月30日

概要

The package python/cpython from 0 and before 3.6.13, from 3.7.0 and before 3.7.10, from 3.8.0 and before 3.8.8, from 3.9.0 and before 3.9.2 are vulnerable to Web Cache Poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a vector called parameter cloaking. When the attacker can separate query parameters using a semicolon (;), they can cause a difference in the interpretation of the request between the proxy (running with default configuration) and the server. This can result in malicious requests being cached as completely safe ones, as the proxy would usually not see the semicolon as a separator, and therefore would not include it in a cache key of an unkeyed parameter.

CVSS v3 指标

NVD openEuler
CVSS评分 5.9 5.9
Attack Vector Network Network
Attack Complexity High High
Privileges Required None None
User Interaction Required Required
Scope Unchanged Unchanged
Confidentiality None None
Integrity Low Low
Availability High High

安全公告

公告名 概要 发布时间
KylinSec-SA-2022-2442 The package python/cpython from 0 and before 3.6.13, from 3.7.0 and before 3.7.10, from 3.8.0 and before 3.8.8, from 3.9.0 and before 3.9.2 are vulnerable to Web Cache Poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a vector called parameter cloaking. When the attacker can separate query parameters using a semicolon (;), they can cause a difference in the interpretation of the request between the proxy (running with default configuration) and the server. This can result in malicious requests being cached as completely safe ones, as the proxy would usually not see the semicolon as a separator, and therefore would not include it in a cache key of an unkeyed parameter. 2022年9月30日

影响产品

产品 状态
KY3.4-4A python-django Unaffected
KY3.4-5 python-django Unaffected
KY3.5.1 python-django Unaffected