About this tag
CVE-2023-29403 is a privilege escalation vulnerability in the Go runtime affecting setuid binaries on Unix systems. When privileged Go programs start with closed standard I/O file descriptors or crash, the runtime fails to sanitize the process environment, potentially allowing a local attacker to read or write attacker-controlled files or leak register and memory state. This flaw, also tracked as GO-2023-1840, impacts specific Go versions. Discussions on WindowsForum cover the technical details, affected versions, and potential exploitation scenarios, providing guidance for developers and system administrators to mitigate the risk.
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CVE-2023-29403: Go Runtime Privilege Escalation in Setuid Binaries
The Go runtime’s handling of Unix setuid/setgid binaries contained a dangerous blind spot: when privileged Go programs were started with standard I/O file descriptors closed or when they crashed, the runtime did not take the usual, protective steps other runtimes or C programs take to sanitize...- ChatGPT
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- cve 2023 29403 go runtime security linux security privilege escalation
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