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CVE-2020-15811

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。 Squid 4.13 和 5.x 到 5.0.4的版本中存在安全漏洞，攻击者可以通过该漏洞获取敏感信息。

AI Predicted 8.1 Difficulty: Easy EPSS 4.23% · P90
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I. Basic Information for CVE-2020-15811

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP Request Splitting attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This allows any client, including browser scripts, to bypass local security and poison the browser cache and any downstream caches with content from an arbitrary source. Squid uses a string search instead of parsing the Transfer-Encoding header to find chunked encoding. This allows an attacker to hide a second request inside Transfer-Encoding: it is interpreted by Squid as chunked and split out into a second request delivered upstream. Squid will then deliver two distinct responses to the client, corrupting any downstream caches.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Squid 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。 Squid 4.13 和 5.x 到 5.0.4的版本中存在安全漏洞，攻击者可以通过该漏洞获取敏感信息。
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
- n/a n/a -

II. Public POCs for CVE-2020-15811

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III. Intelligence Information for CVE-2020-15811

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Vendor Advisories for CVE-2020-15811 (7)

Mailing List Discussions for CVE-2020-15811 (4)

Same Patch Batch · n/a · 2020-09-02 · 29 CVEs total

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CVE-2020-25073 FreedomBox 安全漏洞
CVE-2020-24355 Zyxel VMG5313-B30B 安全漏洞
CVE-2020-16602 Razer Chroma SDK Rest Server 竞争条件问题漏洞
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CVE-2020-24602 Ignite Realtime Openfire 跨站脚本漏洞
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CVE-2020-25079 D-Link DCS-2530L和DCS-2670L 安全漏洞
CVE-2020-25078 D-Link DCS-2530L和DCS-2670L 安全漏洞
CVE-2020-23830 SourceCodester Stock Management System 跨站请求伪造漏洞
CVE-2020-24030 ForLogic Qualiex 安全漏洞
CVE-2020-24029 ForLogic Qualiex 授权问题漏洞
CVE-2020-25044 Kaspersky Virus Removal Tool 安全漏洞
CVE-2020-25026 TYPO3 安全漏洞
CVE-2020-25025 TYPO3 安全漏洞
CVE-2020-24654 KDE Ark 后置链接漏洞
CVE-2020-24553 Google Golang 跨站脚本漏洞
CVE-2020-12621 Android Teamwire 安全漏洞

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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