CVE-2023-43644 — Improper authentication in the SOCKS5 inbound in sing-box

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
SagerNet / sing-box	affected < 1.4.5; affected >= 1.5.0-beta.1, < 1.5.0-rc.4

CWE

CWE-306

References

https://github.com/SagerNet/sing-box/security/advisories/GHSA-r5hm-mp3j-285g

ADP enrichment

CVE

No English description supplied.

https://github.com/SagerNet/sing-box/security/advisories/GHSA-r5hm-mp3j-285g

CISA-ADP

No English description supplied.

No references supplied.