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CVE-2017-18239

Quick assessment

Affected
n/a n/a
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.

authentikat-jwt（又名com.jason-goodwin/authentikat-jwt）是一个JWT Scala的实现。 authentikat-jwt 0.4.5及之前的版本中的main/scala/authentikat/jwt/JsonWebToken.scala文件的JsonWebToken.validate方法存在安全漏洞。攻击者可通过重复的发送验证请求利用该漏洞猜测出JWT签名。

AI Predicted 6.5 Difficulty: Moderate EPSS 1.96% · P80
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I. Basic Information for CVE-2017-18239

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A time-sensitive equality check on the JWT signature in the JsonWebToken.validate method in main/scala/authentikat/jwt/JsonWebToken.scala in authentikat-jwt (aka com.jason-goodwin/authentikat-jwt) version 0.4.5 and earlier allows the supplier of a JWT token to guess bit after bit of the signature by repeating validation requests.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
authentikat-jwt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
authentikat-jwt（又名com.jason-goodwin/authentikat-jwt）是一个JWT Scala的实现。 authentikat-jwt 0.4.5及之前的版本中的main/scala/authentikat/jwt/JsonWebToken.scala文件的JsonWebToken.validate方法存在安全漏洞。攻击者可通过重复的发送验证请求利用该漏洞猜测出JWT签名。
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
- n/a n/a -

II. Public POCs for CVE-2017-18239

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III. Intelligence Information for CVE-2017-18239

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Patches & Fixes for CVE-2017-18239 (1)

Other References for CVE-2017-18239 (1)

Same Patch Batch · n/a · 2018-03-18 · 9 CVEs total

CVE-2018-8756 YzmCMS 安全漏洞
CVE-2018-8765 2345 Security Guard 安全漏洞
CVE-2018-8766 joyplus-cms 安全漏洞
CVE-2018-8767 joyplus-cms 跨站脚本漏洞
CVE-2018-8768 Jupyter Notebook 权限许可和访问控制问题漏洞
CVE-2018-8769 elfutils 缓冲区错误漏洞
CVE-2018-8770 Western Bridge Cobub Razor 安全漏洞
CVE-2018-8754 libevt 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2017-18239

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