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CVE-2023-39949

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Date: August 11, 2023

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.

Language: C++

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2023-39949
https://www.debian.org/security/2023/dsa-5481
https://github.com/eProsima/Fast-DDS/issues/3236
https://github.com/eProsima/Fast-DDS/blob/v2.9.0/src/cpp/rtps/messages/MessageReceiver.cpp#L1059
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-3jv9-j9x3-95cg
https://www.mend.io/vulnerability-database/CVE-2023-39949

Severity Score

Weakness Type (CWE)

Reachable Assertion

CWE-617

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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