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CVE-2018-16477

Quick assessment

Affected
n/a https://github.com/rails/rails
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.

Active Storage是一款用于将文件上传到多种云存储服务，并将文件附加到Active Record对象的插件。 Active Storage 5.2.0及之前版本（用于Google Cloud Storage和Disk服务）中存在访问控制错误漏洞。该漏洞源于网络系统或产品未正确限制来自未授权角色的资源访问。

AI Predicted 6.5 Difficulty: Moderate EPSS 1.31% · P70
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I. Basic Information for CVE-2018-16477

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Active Storage 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Active Storage是一款用于将文件上传到多种云存储服务，并将文件附加到Active Record对象的插件。 Active Storage 5.2.0及之前版本（用于Google Cloud Storage和Disk服务）中存在访问控制错误漏洞。该漏洞源于网络系统或产品未正确限制来自未授权角色的资源访问。
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
- https://github.com/rails/rails 5.2.0 and later and before 5.2.1.1 -

II. Public POCs for CVE-2018-16477

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III. Intelligence Information for CVE-2018-16477

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Security Blog Posts for CVE-2018-16477 (1)

Other References for CVE-2018-16477 (1)

Same Patch Batch · n/a · 2018-11-30 · 18 CVEs total

CVE-2018-19763 libsixel 缓冲区错误漏洞
CVE-2018-16476 Active Job 代码问题漏洞
CVE-2018-19290 Budabot 安全漏洞
CVE-2018-18987 INVT Electric VT-Designer 安全漏洞
CVE-2018-18983 INVT Electric VT-Designer 缓冲区错误漏洞
CVE-2018-18860 SwitchVPN for macOS 权限许可和访问控制问题漏洞
CVE-2018-15835 Android 信息泄露漏洞
CVE-2018-3948 TP-Link TL-R600VPN 输入验证错误漏洞
CVE-2018-19777 Artifex MuPDF 安全漏洞
CVE-2018-19755 Netwide Assembler 安全漏洞
CVE-2018-19762 libsixel 缓冲区错误漏洞
CVE-2018-19761 libsixel 安全漏洞
CVE-2018-19760 libConfuse 安全漏洞
CVE-2018-19759 libsixel 缓冲区错误漏洞
CVE-2018-19758 libsndfile 缓冲区错误漏洞
CVE-2018-19757 libsixel 安全漏洞
CVE-2018-19756 libsixel 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: https://github.com/rails/rails
Same vendor: n/a
Same weakness: CWE-200

V. Comments for CVE-2018-16477

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