Headline
CVE-2023-43644: Improper authentication in the SOCKS inbound
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.
Package
gomod github.com/sagernet/sing-box (Go)
Affected versions
< 1.5.0-rc.5
Description
Impact
This vulnerability allows specially crafted requests to bypass authentication, affecting all SOCKS inbounds with user authentication.
Patches
Update to sing-box 1.4.5 or 1.5.0-rc.5 and later versions.
Workarounds
Don’t expose the SOCKS5 inbound to insecure environments.
Related news
### Impact This vulnerability allows specially crafted requests to bypass authentication, affecting all SOCKS inbounds with user authentication. ### Patches Update to sing-box 1.4.5 or 1.5.0-rc.5 and later versions. ### Workarounds Don't expose the SOCKS5 inbound to insecure environments.