CVE-2020-28473— Web Cache Poisoning
Quick assessment
Affected
n/a bottle
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Bottle是Bottle社区的一个基于Python的简单且轻量级的WSGI微型Web框架。 bottle 0版本至0.12.19版本存在安全漏洞，攻击者使用分号分隔查询参数时，导致代理与服务器之间对请求的解释有所不同。
Possible ATT&CK Techniques 1 AI
T1557.002 · ARP Cache Poisoning
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I. Basic Information for CVE-2020-28473
Vulnerability Information
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Vulnerability Title
Web Cache Poisoning
Source: CVE Program / CVE List V5
Vulnerability Description
The package bottle from 0 and before 0.12.19 are vulnerable to Web Cache Poisoning 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Bottle 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bottle是Bottle社区的一个基于Python的简单且轻量级的WSGI微型Web框架。 bottle 0版本至0.12.19版本存在安全漏洞，攻击者使用分号分隔查询参数时，导致代理与服务器之间对请求的解释有所不同。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | bottle | 0 ~ unspecified | - |
|
II. Public POCs for CVE-2020-28473
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-28473 (2)
-
Cache poisoning in popular open source packages | Snyk Blog | Snyk x_refsource_CONFIRM
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https://snyk.io/vuln/SNYK-PYTHON-BOTTLE-1017108 x_refsource_MISC
Mailing List Discussions for CVE-2020-28473 (1)
Other References for CVE-2020-28473 (1)
-
https://github.com/bottlepy/bottle x_refsource_MISC
Same Patch Batch · n/a · 2021-01-18 · 12 CVEs total
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| CVE-2021-25173 | Open Design Alliance Drawings SDK 安全漏洞 | |
| CVE-2020-36192 | MantisBT 安全漏洞 | |
| CVE-2020-36193 | Pear Archive_Tar 后置链接漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2020-28473
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