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Published: 2 August 2022

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).


two additional commits were added later on...need to check if
more go in before the official release
Another commit was found to be part of the collection for
this CVE. 4 in total seems to address it. The missing commit
was added in historical order in the Patches section here.
many more commits were added into 3.2.5 than what is listed below
3.2.5 introduced regressions which were fixed in 3.2.6 and 3.2.7



Cvss 3 Severity Score


Score breakdown

Severity score breakdown

Parameter Value
Base score 7.4
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H