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CVE-2026-53783 rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the rrsync…

Description

rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the rrsync restricted shell wrapper that allows authenticated clients to escape enforced directory restrictions by substituting a symlink for a path component after validation but before transfer processing. Attackers can additionally leverage unrestricted flags such as --copy-unsafe-links, -D, and --log-file through rrsync to read or write files outside the permitted directory subtree.

Produits et versions touchés

Produit Versions touchées Corrigé en
rsync 3.5 premières → < 3.5.0 3.5.0
rsync 3.4 premières → 3.4.4 Pas de correctif indiqué

Références

Chronologie

  1. Publiée
  2. Dernière modification

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