CVE-2020-15247— October CMS 安全漏洞
一分钟漏洞结论
影响对象
octobercms october
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。
October CMS是一套基于PHP和Laravel Web应用程序框架的开源内容管理系统（CMS）。 October 1.0.319和1.0.470之前版本存在安全漏洞，该漏洞源于启用的enableSafeMode能够编写特定的Twig代码来逃避Twig沙箱并执行任意的PHP。
可能的 ATT&CK 技术 1 AI
T1505.003 · Web Shell
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一、 漏洞 CVE-2020-15247 基础信息
漏洞信息
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Vulnerability Title
Twig Sandbox Escape by authenticated users with access to editing CMS templates when safemode is enabled.
来源: CVE Program / CVE List V5
Vulnerability Description
October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.469, an authenticated backend user with the cms.manage_pages, cms.manage_layouts, or cms.manage_partials permissions who would normally not be permitted to provide PHP code to be executed by the CMS due to cms.enableSafeMode being enabled is able to write specific Twig code to escape the Twig sandbox and execute arbitrary PHP. This is not a problem for anyone that trusts their users with those permissions to normally write & manage PHP within the CMS by not having cms.enableSafeMode enabled, but would be a problem for anyone relying on cms.enableSafeMode to ensure that users with those permissions in production do not have access to write & execute arbitrary PHP. Issue has been patched in Build 469 (v1.0.469) and v1.1.0.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
来源: CVE Program / CVE List V5
Vulnerability Title
October CMS 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
October CMS是一套基于PHP和Laravel Web应用程序框架的开源内容管理系统（CMS）。 October 1.0.319和1.0.470之前版本存在安全漏洞，该漏洞源于启用的enableSafeMode能够编写特定的Twig代码来逃避Twig沙箱并执行任意的PHP。
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
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| octobercms | october | >= 1.0.319, < 1.0.469 | - |
|
二、漏洞 CVE-2020-15247 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
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CVE-2020-15247 补丁与修复 (1)
CVE-2020-15247 厂商安全公告 (1)
-
https://github.com/octobercms/october/security/advisories/GHSA-94vp-rmqv-5875 x_refsource_CONFIRM
同批安全公告 · octobercms · 2020-11-23 · 共 5 条
| CVE-2020-15246 | 7.5 HIGH | October CMS 路径遍历漏洞 |
| CVE-2020-26231 | 5.2 MEDIUM | October CMS 安全漏洞 |
| CVE-2020-15248 | 4.0 MEDIUM | October CMS 权限许可和访问控制问题漏洞 |
| CVE-2020-15249 | 2.8 LOW | October CMS 跨站脚本漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2020-15247
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