Out-of-Bounds Read Affecting rsync package, versions [0,3.4.0)
Threat Intelligence
Exploit maturity not defined.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-RSYNC-8627598
- published15 Jan 2025
- disclosed14 Jan 2025
- creditSimon Scannell, Pedro Gallegos, and Jasiel Spelman at Google Cloud Vulnerability Research
Introduced: 14 Jan 2025
CVE-2024-12085 (opens in a new tab)How to fix?
Upgrade rsync to version 3.4.0 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-Bounds Read when rsync compares file checksums.
An anonymous client can leverage this overflow, together with the heap-based buffer overflow described in CVE-2024-12084 to execute code on an affected server.
Alternatively, a malicious rsync server could gain read/write access to arbitrary files on a connected client.
Workaround
This vulnerability can be avoided by compiling with -ftrivial-auto-var-init=zero.