Exposure of Data Element to Wrong Session Affecting fast-dds package, versions [2.3.2,2.13.3)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (39th percentile)

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  • Snyk IDSNYK-CONAN-FASTDDS-10075710
  • published8 May 2025
  • disclosed19 Feb 2024
  • creditDes glaneurs

Introduced: 19 Feb 2024

CVE-2023-50257  (opens in a new tab)
CWE-488  (opens in a new tab)

How to fix?

Upgrade fast-dds to version 2.13.3 or higher.

Overview

Affected versions of this package are vulnerable to Exposure of Data Element to Wrong Session due to p[UD] and guid values in RTPS packets not being encrypted. An attacker can exploit this to forcibly disconnect a Subscriber and deny their attempts to connect. If the attacker then sends the data(p[UD]) packet to the Global Data Space (239.255.0.1:7400) using the Publisher ID, all other Subscribers (Listeners) connected to the Publisher (Talker) will not receive any data and their connection will be disconnected.

CVSS Base Scores

version 3.1