What’s Vulnerable › Vulnerabilities

CVE-2023-29403: Unsafe behavior in setuid/setgid binaries in runtime

Description

On Unix platforms, the Go runtime does not behave differently when a binary is run with the setuid/setgid bits. This can be dangerous in certain cases, such as when dumping memory state, or assuming the status of standard i/o file descriptors. If a setuid/setgid binary is executed with standard I/O file descriptors closed, opening any files can result in unexpected content being read or written with elevated privileges. Similarly, if a setuid/setgid program is terminated, either via panic or signal, it may leak the contents of its registers.

Affected products

How to fix

Upgrade to a fixed version: Go 1.19.10, 1.20.5. Check the vendor advisory for mitigations.

References

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