CVE-2020-5274

描述

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

如何修補 CVE-2020-5274

要修補 CVE-2020-5274,請將受影響套件升級到下列已修補版本。

• —升級至 4.4.4 或更新版本
• —升級至 4.4.8-1 或更新版本
• —升級至 4.4.4 或更新版本
• —升級至 4.4.4 或更新版本

CVE-2020-5274 正在被利用嗎?

低 — EPSS 為 1.2%,目前沒有觀察到大規模利用活動。

受影響套件(4)

• >= 4.4.0, < 4.4.4, >= 5.0.0, < 5.0.4
• from 0, < 4.4.8-1
• >= 4.4.0, < 4.4.4
• >= 4.4.0, < 4.4.4

CVSS 分數

參考連結(8)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2020-5274
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2020-5274
• WEBgithub.com/FriendsOfPHP/security-advisories/blob/master/symfony/error-handler/CVE-2020-5274.yaml
• WEBgithub.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2020-5274.yaml