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CVE-2020-11002— Remote Code Execution (RCE) vulnerability in dropwizard-validation

Quick assessment

Affected
dropwizard dropwizard
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.

dropwizard-validation是一款支持构建可用于生产环境的RESTful Web服务的库。 dropwizard-validation 2.0.3之前版本和1.3.21之前版本中存在注入漏洞。攻击者可利用该漏洞注入任意的Java EL表达式，进而执行代码。

CVSS 8.0 · High EPSS 5.17% · P92

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-11002

Vulnerability Information
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Vulnerability Title
Remote Code Execution (RCE) vulnerability in dropwizard-validation
Source: CVE Program / CVE List V5
Vulnerability Description
dropwizard-validation before versions 2.0.3 and 1.3.21 has a remote code execution vulnerability. A server-side template injection was identified in the self-validating feature enabling attackers to inject arbitrary Java EL expressions, leading to Remote Code Execution (RCE) vulnerability. If you are using a self-validating bean an upgrade to Dropwizard 1.3.21/2.0.3 or later is strongly recommended. The changes introduced in Dropwizard 1.3.19 and 2.0.2 for CVE-2020-5245 unfortunately did not fix the underlying issue completely. The issue has been fixed in dropwizard-validation 1.3.21 and 2.0.3 or later. We strongly recommend upgrading to one of these versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
dropwizard-validation 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dropwizard-validation是一款支持构建可用于生产环境的RESTful Web服务的库。 dropwizard-validation 2.0.3之前版本和1.3.21之前版本中存在注入漏洞。攻击者可利用该漏洞注入任意的Java EL表达式，进而执行代码。
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
dropwizard dropwizard < 1.3.21 -

II. Public POCs for CVE-2020-11002

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III. Intelligence Information for CVE-2020-11002

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Patches & Fixes for CVE-2020-11002 (3)

Vendor Advisories for CVE-2020-11002 (2)

Other References for CVE-2020-11002 (2)

IV. Related Vulnerabilities

Same vendor: dropwizard
Same weakness: CWE-74