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CVE-2023-43644

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CVE-2023-43644

Published: Sep 25, 2023

Modified: Sep 24, 2024

PUBLISHED

CVSS v3.1

9.1

CRITICAL

Description

Sing-box is an open source proxy system. Affected versions are subject to an authentication bypass when specially crafted requests are sent to sing-box. This affects all SOCKS5 inbounds with user authentication and an attacker may be able to bypass authentication. Users are advised to update to sing-box 1.4.4 or to 1.5.0-rc.4. Users unable to update should not expose the SOCKS5 inbound to insecure environments.

VendorProductVersions

SagerNet

sing-box

affected
< 1.4.5
affected
>= 1.5.0-beta.1, < 1.5.0-rc.4

Weaknesses (CWE)

CWE-306

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

References

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