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MEDIUM6.3

GHSA-q6m9-xj2w-xmrc

uutils coreutils has a Time-of-check Time-of-use (TOCTOU) Race Condition

Details

The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.

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Affected packages

crates.io/coreutils
Introduced in: 0

No fixed version published yet for coreutils. Pin to a known-safe version or switch to an alternative.

References