CVE-2017-0897
Quick assessment
Affected
EllisLab ExpressionEngine
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.
EllisLab ExpressionEngine是美国EllisLab公司的一套内容管理系统（CMS），它提供Web发布、模板引擎和附件组件等模块。 EllisLab ExpressionEngine 2.11.8之前的2.x版本和3.5.5之前的3.x版本中存在安全漏洞。远程攻击者可通过猜测出令牌利用该漏洞执行代码。
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I. Basic Information for CVE-2017-0897
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
ExpressionEngine version 2.x < 2.11.8 and version 3.x < 3.5.5 create an object signing token with weak entropy. Successfully guessing the token can lead to remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用不充分的随机数
Source: CVE Program / CVE List V5
Vulnerability Title
EllisLab ExpressionEngine 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EllisLab ExpressionEngine是美国EllisLab公司的一套内容管理系统（CMS），它提供Web发布、模板引擎和附件组件等模块。 EllisLab ExpressionEngine 2.11.8之前的2.x版本和3.5.5之前的3.x版本中存在安全漏洞。远程攻击者可通过猜测出令牌利用该漏洞执行代码。
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 |
|---|---|---|---|---|
| EllisLab | ExpressionEngine | Versions before 2.11.8 and 3.5.5 | - |
|
II. Public POCs for CVE-2017-0897
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2017-0897 (1)
Security Blog Posts for CVE-2017-0897 (1)
-
https://expressionengine.com/blog/expressionengine-3.5.5-and-2.11.8-released x_refsource_CONFIRM
Other References for CVE-2017-0897 (3)
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https://hackerone.com/reports/215890 x_refsource_MISC
-
https://docs.expressionengine.com/v2/about/changelog.html#version-2-11-8 x_refsource_CONFIRM
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https://docs.expressionengine.com/latest/about/changelog.html#version-3-5-5 x_refsource_CONFIRM
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V. Comments for CVE-2017-0897
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