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CVE-2020-5274— Exceptions displayed in non-debug configurations in Symfony

Quick assessment

Affected
symfony symfony
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.

Sensio Labs Symfony是法国Sensio Labs公司的一套免费的、基于MVC架构的PHP开发框架。该框架提供常用的功能组件及工具，可用于快速创建复杂的WEB程序。 Sensio Labs Symfony 5.0.5之前版本和4.4.5之前版本中存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

CVSS 4.6 · Medium EPSS 1.20% · P68

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2020-5274

Vulnerability Information
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Vulnerability Title
Exceptions displayed in non-debug configurations in Symfony
Source: CVE Program / CVE List V5
Vulnerability Description
In Symfony before versions 5.0.5 and 4.4.5, some properties of the Exception were not properly escaped when the `ErrorHandler` rendered it stacktrace. In addition, the stacktrace were displayed even in a non-debug configuration. The ErrorHandler now escape alls properties of the exception, and the stacktrace is only display in debug configuration. This issue is patched in symfony/http-foundation versions 4.4.5 and 5.0.5
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过错误消息导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Sensio Labs Symfony 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sensio Labs Symfony是法国Sensio Labs公司的一套免费的、基于MVC架构的PHP开发框架。该框架提供常用的功能组件及工具，可用于快速创建复杂的WEB程序。 Sensio Labs Symfony 5.0.5之前版本和4.4.5之前版本中存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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
symfony symfony >= 4.0.0, < 4.4.5 -

II. Public POCs for CVE-2020-5274

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III. Intelligence Information for CVE-2020-5274

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Patches & Fixes for CVE-2020-5274 (1)

Same Patch Batch · symfony · 2020-03-30 · 3 CVEs total

CVE-2020-5275 7.6 HIGH Firewall configured with unanimous strategy was not actually unanimous in symfony/security
CVE-2020-5255 2.6 LOW Prevent cache poisoning via a Response Content-Type header

IV. Related Vulnerabilities

Same product: symfony
Same vendor: symfony
Same weakness: CWE-209