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I. Basic Information for CVE-2021-29481
Vulnerability Information

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Vulnerability Title
Client side sessions should not allow unencrypted storage
Source: NVD (National Vulnerability Database)
Vulnerability Description
Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, the default configuration of client side sessions results in unencrypted, but signed, data being set as cookie values. This means that if something sensitive goes into the session, it could be read by something with access to the cookies. For this to be a vulnerability, some kind of sensitive data would need to be stored in the session and the session cookie would have to leak. For example, the cookies are not configured with httpOnly and an adjacent XSS vulnerability within the site allowed capture of the cookies. As of version 1.9.0, a securely randomly generated signing key is used. As a workaround, one may supply an encryption key, as per the documentation recommendation.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据的明文存储
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ratpack 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ratpack是一款用于构建可扩展HTTP应用程序的Java库。 Ratpack 1.9.0之前版本存在安全漏洞,该漏洞源于客户端会话的默认配置导致未加密但已签名的数据被设置为cookie值。攻击者可利用该漏洞窃取泄露的cookie。
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
ratpackratpack < 1.9.0 -
II. Public POCs for CVE-2021-29481
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III. Intelligence Information for CVE-2021-29481
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IV. Related Vulnerabilities
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