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CVE-2017-7520

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Date: June 27, 2017

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker.

Language: C

Severity Score

Severity Score

Weakness Type (CWE)

Improper Certificate Validation

CWE-295

Out-of-bounds Read

CWE-125

Top Fix

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Upgrade Version

Upgrade to version 2.4.3,2.3.17

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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): HIGH
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

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

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