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CVE-2020-27216

Quick assessment

Affected
The Eclipse Foundation Eclipse Jetty
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.

Eclipse Jetty是Eclipse基金会的一个开源的、基于Java的Web服务器和Java Servlet容器。 Eclipse Jetty 存在安全漏洞，该漏洞源于系统的临时目录在该系统上的所有用户之间共享。并置用户可以观察在共享临时目录中创建临时子目录的过程，并争着完成临时子目录的创建。攻击者可利用该漏洞拥有对用于解压缩web应用程序的子目录的读写权限，包括它们的web - inf lib jar文件和JSP文件。以下产品及版本收到影响：1.0 thru 9.4.32.v20200930版本,

AI Predicted 5.5 Difficulty: Easy EPSS 4.35% · P91
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I. Basic Information for CVE-2020-27216

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Eclipse Jetty versions 1.0 thru 9.4.32.v20200930, 10.0.0.alpha1 thru 10.0.0.beta2, and 11.0.0.alpha1 thru 11.0.0.beta2O, on Unix like systems, the system's temporary directory is shared between all users on that system. A collocated user can observe the process of creating a temporary sub directory in the shared temporary directory and race to complete the creation of the temporary subdirectory. If the attacker wins the race then they will have read and write permission to the subdirectory used to unpack web applications, including their WEB-INF/lib jar files and JSP files. If any code is ever executed out of this temporary directory, this can lead to a local privilege escalation vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
创建拥有不安全权限的临时文件
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Jetty 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Jetty是Eclipse基金会的一个开源的、基于Java的Web服务器和Java Servlet容器。 Eclipse Jetty 存在安全漏洞，该漏洞源于系统的临时目录在该系统上的所有用户之间共享。并置用户可以观察在共享临时目录中创建临时子目录的过程，并争着完成临时子目录的创建。攻击者可利用该漏洞拥有对用于解压缩web应用程序的子目录的读写权限，包括它们的web - inf lib jar文件和JSP文件。以下产品及版本收到影响：1.0 thru 9.4.32.v20200930版本,
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
The Eclipse Foundation Eclipse Jetty 1.0 to 9.4.32.v20200930 -

II. Public POCs for CVE-2020-27216

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III. Intelligence Information for CVE-2020-27216

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Vendor Advisories for CVE-2020-27216 (8)

Mailing List Discussions for CVE-2020-27216 (124)

IV. Related Vulnerabilities

Same product: Eclipse Jetty
Same vendor: The Eclipse Foundation
Same weakness: CWE-378

V. Comments for CVE-2020-27216

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