Detection of Error Condition Without Action Affecting rsync package, versions <0:3.0.6-12.17.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-AMZN201803-RSYNC-8643013
  • published17 Jan 2025
  • disclosed14 Jan 2025

Introduced: 14 Jan 2025

NewCVE-2024-12086  (opens in a new tab)
CWE-390  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 rsync to version 0:3.0.6-12.17.amzn1 or higher.
This issue was patched in ALAS-2025-1955.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rsync package and not the rsync package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare with in order to determine what data needs to be sent to the server. By sending specially constructed checksum values for arbitrary files, an attacker may be able to reconstruct the data of those files byte-by-byte based on the responses from the client.

CVSS Scores

version 3.1