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CVE-2022-31139

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Date: July 11, 2022

UnsafeAccessor (UA) is a bridge to access jdk.internal.misc.Unsafe & sun.misc.Unsafe. Normally, if UA is loaded as a named module, the internal data of UA is protected by JVM and others can only access UA via UA's standard API. The main application can set up "SecurityCheck.AccessLimiter" for UA to limit access to UA. Starting with version 1.4.0 and prior to version 1.7.0, when "SecurityCheck.AccessLimiter" is set up, untrusted code can access UA without limitation, even when UA is loaded as a named module. This issue does not affect those for whom "SecurityCheck.AccessLimiter" is not set up. Version 1.7.0 contains a patch.

Language: Java

Severity Score

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Incorrect Authorization

CWE-863

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
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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