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CVE-2017-13098— BouncyCastle JCE TLS Bleichenbacher/ROBOT

Quick assessment

Affected
Legion of the Bouncy Castle BouncyCastle TLS
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Legion of the Bouncy Castle是澳大利亚Legion of the Bouncy Castle公司的一个用于Java平台的开源的轻量级密码包。TLS是其中的一个安全传输层协议。 Legion of the Bouncy Castle TLS 1.0.3之前的版本中存在安全漏洞，该漏洞源于程序对加密函数使用了JCE（Java加密扩展）。攻击者可利用该漏洞从受影响的应用程序中找回密钥。

AI Predicted 7.4 Difficulty: Hard EPSS 24.28% · P98

Possible ATT&CK Techniques 1 AI

T1595 · Active Scanning
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I. Basic Information for CVE-2017-13098

Vulnerability Information
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Vulnerability Title
BouncyCastle JCE TLS Bleichenbacher/ROBOT
Source: CVE Program / CVE List V5
Vulnerability Description
BouncyCastle TLS prior to version 1.0.3, when configured to use the JCE (Java Cryptography Extension) for cryptographic functions, provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable application. This vulnerability is referred to as "ROBOT."
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Legion of the Bouncy Castle TLS 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Legion of the Bouncy Castle是澳大利亚Legion of the Bouncy Castle公司的一个用于Java平台的开源的轻量级密码包。TLS是其中的一个安全传输层协议。 Legion of the Bouncy Castle TLS 1.0.3之前的版本中存在安全漏洞，该漏洞源于程序对加密函数使用了JCE（Java加密扩展）。攻击者可利用该漏洞从受影响的应用程序中找回密钥。
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
Legion of the Bouncy Castle BouncyCastle TLS <1.0.3 -

II. Public POCs for CVE-2017-13098

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III. Intelligence Information for CVE-2017-13098

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Patches & Fixes for CVE-2017-13098 (1)

Vendor Advisories for CVE-2017-13098 (5)

Mailing List Discussions for CVE-2017-13098 (1)

Other References for CVE-2017-13098 (1)

IV. Related Vulnerabilities

Same vendor: Legion of the Bouncy Castle
Same weakness: CWE-203

V. Comments for CVE-2017-13098

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