CVE-2023-28837— Wagtail 跨站脚本漏洞
一分钟漏洞结论
影响对象
wagtail wagtail
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Torchbox Wagtail是英国Torchbox公司的一套开源的内容管理系统（CMS）。 Wagtail 1.5到4.1.4、4.2、4.2.1版本存在跨站脚本漏洞，该漏洞源于Wagtail在处理上传的图片和文档时存在内存耗尽问题，从而导致拒绝服务崩溃。
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一、 漏洞 CVE-2023-28837 基础信息
漏洞信息
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Vulnerability Title
Wagtail vulnerable to denial-of-service via memory exhaustion when uploading large files
来源: CVE Program / CVE List V5
Vulnerability Description
Wagtail is an open source content management system built on Django. Prior to versions 4.1.4 and 4.2.2, a memory exhaustion bug exists in Wagtail's handling of uploaded images and documents. For both images and documents, files are loaded into memory during upload for additional processing. A user with access to upload images or documents through the Wagtail admin interface could upload a file so large that it results in a crash of denial of service.
The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. It can only be exploited by admin users with permission to upload images or documents.
Image uploads are restricted to 10MB by default, however this validation only happens on the frontend and on the backend after the vulnerable code.
Patched versions have been released as Wagtail 4.1.4 and Wagtail 4.2.2). Site owners who are unable to upgrade to the new versions are encouraged to add extra protections outside of Wagtail to limit the size of uploaded files.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
来源: CVE Program / CVE List V5
Vulnerability Title
Wagtail 跨站脚本漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Torchbox Wagtail是英国Torchbox公司的一套开源的内容管理系统（CMS）。 Wagtail 1.5到4.1.4、4.2、4.2.1版本存在跨站脚本漏洞，该漏洞源于Wagtail在处理上传的图片和文档时存在内存耗尽问题，从而导致拒绝服务崩溃。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2023-28837 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
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CVE-2023-28837 补丁与修复 (4)
CVE-2023-28837 厂商安全公告 (1)
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https://github.com/wagtail/wagtail/security/advisories/GHSA-33pv-vcgh-jfg9 x_refsource_CONFIRM
CVE-2023-28837 其他参考 (3)
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https://github.com/wagtail/wagtail/releases/tag/v4.1.4 x_refsource_MISC
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https://github.com/wagtail/wagtail/releases/tag/v4.2.2 x_refsource_MISC
IV. Related Vulnerabilities
V. Comments for CVE-2023-28837
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