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CVE-2024-12087

Description

A path traversal vulnerability exists in rsync. It stems from behavior enabled by the `--inc-recursive` option, a default-enabled option for many client options and can be enabled by the server even if not explicitly enabled by the client. When using the `--inc-recursive` option, a lack of proper symlink verification coupled with deduplication checks occurring on a per-file-list basis could allow a server to write files outside of the client's intended destination directory. A malicious server could write malicious files to arbitrary locations named after valid directories/paths on the client.

POC

Reference

- https://github.com/google/security-research/security/advisories/GHSA-p5pg-x43v-mvqj

Github

- https://github.com/adegoodyer/kubernetes-admin-toolkit

- https://github.com/mosaicwang/myrpm