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CWE

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CVE-2023-39949

Published: Aug 11, 2023

Modified: Feb 13, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.9.1 and 2.6.5, improper validation of sequence numbers may lead to remotely reachable assertion failure. This can remotely crash any Fast-DDS process. Versions 2.9.1 and 2.6.5 contain a patch for this issue.

Vendor	Product	Versions
eProsima	Fast-DDS	affected `>= 2.7.0, < 2.9.1` affected `< 2.6.5`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-3jv9-j9x3-95cg

x_refsource_CONFIRM

https://github.com/eProsima/Fast-DDS/issues/3236

x_refsource_MISC

https://github.com/eProsima/Fast-DDS/blob/v2.9.0/src/cpp/rtps/messages/MessageReceiver.cpp#L1059

x_refsource_MISC

https://www.debian.org/security/2023/dsa-5481

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