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FreeBSD: VID-21F43976-1887-11ED-9911-40B034429ECF (CVE-2022-29154): rsync -- client-side arbitrary file write vulnerability

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FreeBSD: VID-21F43976-1887-11ED-9911-40B034429ECF (CVE-2022-29154): rsync -- client-side arbitrary file write vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/02/2022
Created
11/08/2022
Added
11/04/2022
Modified
11/04/2022

Description

An issue was discovered in rsync before 3.2.5 that allows malicious remote servers to write arbitrary files inside the directories of connecting peers. The server chooses which files/directories are sent to the client. However, the rsync client performs insufficient validation of file names. A malicious rsync server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the rsync client target directory and subdirectories (for example, overwrite the .ssh/authorized_keys file).

Solution(s)

  • freebsd-upgrade-package-rsync

References

  • CVE-2022-29154

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