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Slackware Linux 14.0 / 14.1 / 14.2 / 15.0 / current rsync Vulnerability (SSA:2022-227-01)

high Nessus Plugin ID 164125

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Synopsis

The remote Slackware Linux host is missing a security update to rsync.

Description

The version of rsync installed on the remote host is prior to 3.2.5. It is, therefore, affected by a vulnerability as referenced in the SSA:2022-227-01 advisory.

 - 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). (CVE-2022-29154)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the affected rsync package.

Plugin Details

Severity: High

ID: 164125

File Name: Slackware_SSA_2022-227-01.nasl

Version: 1.4

Type: local

Published: 8/15/2022

Updated: 10/16/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:C/A:C

CVSS Score Source: CVE-2022-29154

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:slackware:slackware_linux:rsync, cpe:/o:slackware:slackware_linux, cpe:/o:slackware:slackware_linux:14.0, cpe:/o:slackware:slackware_linux:14.1, cpe:/o:slackware:slackware_linux:14.2, cpe:/o:slackware:slackware_linux:15.0

Required KB Items: Host/local_checks_enabled, Host/Slackware/release, Host/Slackware/packages

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 8/2/2022

Reference Information

CVE: CVE-2022-29154