Debian 11: Advisory DLA-4015-1: rsync Updates for Critical Security Flaws

Several vulnerabilities were discovered in rsync, a fast, versatile,
remote (and local) file-copying tool.

CVE-2024-12085

Simon Scannell, Pedro Gallegos and Jasiel Spelman reported a flaw in
the way rsync compares file checksums, allowing a remote attacker to
trigger an information leak.

CVE-2024-12086

Simon Scannell, Pedro Gallegos and Jasiel Spelman discovered a flaw
which would result in a server leaking contents of an arbitrary file
from the client's machine.

CVE-2024-12087

Simon Scannell, Pedro Gallegos and Jasiel Spelman reported a path
traversal vulnerability in the rsync daemon affecting the
--inc-recursive option, which could allow a server to write files
outside of the client's intended destination directory.

CVE-2024-12088

Simon Scannell, Pedro Gallegos and Jasiel Spelman reported that when
using the --safe-links option, rsync fails to properly verify if a
symbolic link destination contains another symbolic link with it,