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CVE-2019-11808

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Date: May 8, 2019

Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs.

Language: Java

Severity Score

Severity Score

Weakness Type (CWE)

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

CWE-338

Top Fix

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Upgrade Version

Upgrade to version 1.6.1

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CVSS v3

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privilegs Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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