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I. Basic Information for CVE-2020-17531
Vulnerability Information
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Vulnerability Title
Deserialization flaw in EOL Tapestry 4.
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Java Serialization vulnerability was found in Apache Tapestry 4. Apache Tapestry 4 will attempt to deserialize the "sp" parameter even before invoking the page's validate method, leading to deserialization without authentication. Apache Tapestry 4 reached end of life in 2008 and no update to address this issue will be released. Apache Tapestry 5 versions are not vulnerable to this issue. Users of Apache Tapestry 4 should upgrade to the latest Apache Tapestry 5 version.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache Tapestry 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Tapestry是美国阿帕奇（Apache）基金会的一款使用Java语言编写的Web应用程序框架。 Apache Tapestry 4 存在安全漏洞，该漏洞源于在调用页面的验证方法之前尝试反序列化“sp”参数，这将导致在没有身份验证的情况下反序列化。
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
VendorProductAffected VersionsCPESubscribe
Apache Software FoundationApache Tapestry Apache Tapestry 4 ~ 4 -
II. Public POCs for CVE-2020-17531
#POC DescriptionSource LinkShenlong Link
1Apache Struts2框架是一个用于开发Java EE网络应用程序的Web框架。Apache Struts于2020年12月08日披露 S2-061 Struts 远程代码执行漏洞（CVE-2020-17530），在使用某些tag等情况下可能存在OGNL表达式注入漏洞，从而造成远程代码执行，风险极大。提醒我校Apache Struts用户尽快采取安全措施阻止漏洞攻击。https://github.com/154802388/CVE-2020-17531POC Details
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III. Intelligence Information for CVE-2020-17531
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New Vulnerabilities
Product: Apache Tapestry
Vendor: Apache Software Foundation
Same weakness: CWE-502
V. Comments for CVE-2020-17531

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