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CVE-2023-39949

Published: 11 August 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.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
fastdds
Launchpad, Ubuntu, Debian
focal Does not exist

bionic Does not exist

jammy
Released (2.5.0+ds-3ubuntu0.1~esm1)
Available with Ubuntu Pro
lunar
Released (2.9.1+ds-1ubuntu0.1)
trusty Does not exist

upstream
Released (2.10.1+ds-3)
xenial Does not exist

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H