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CVE-2023-28113

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Date: March 15, 2023

russh is a Rust SSH client and server library. Starting in version 0.34.0 and prior to versions 0.36.2 and 0.37.1, Diffie-Hellman key validation is insufficient, which can lead to insecure shared secrets and therefore breaks confidentiality. Connections between a russh client and server or those of a russh peer with some other misbehaving peer are most likely to be problematic. These may vulnerable to eavesdropping. Most other implementations reject such keys, so this is mainly an interoperability issue in such a case. This issue is fixed in versions 0.36.2 and 0.37.1

Language: RUST

Severity Score

Severity Score

Weakness Type (CWE)

Improper Verification of Cryptographic Signature

CWE-347

Improperly Implemented Security Check for Standard

CWE-358

Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version russh - 0.36.2,0.37.1

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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

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