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Ubuntu: USN-5921-1 (CVE-2022-29154): rsync vulnerabilities

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Ubuntu: USN-5921-1 (CVE-2022-29154): rsync vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/02/2022
Created
03/29/2023
Added
03/22/2023
Modified
03/22/2023

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)

  • ubuntu-upgrade-rsync

References

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