CVE-2023-39948: Uncaught fastcdr exception (Unexpected CDR type received) crashing fastdds

Published Aug 11, 2023
·
Updated

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.10.0 and 2.6.5, the BadParamException thrown by Fast CDR is not caught in Fast DDS. This can remotely crash any Fast DDS process. Versions 2.10.0 and 2.6.5 contain a patch for this issue.

Affected Software

8 affected componentsFixes available
ubuntu/fastdds<2.10.1+
2.10.1+
ubuntu/fastdds<2.5.0+
2.5.0+
ubuntu/fastdds<2.9.1+
2.9.1+
debian/fastdds
2.1.0+ds-9+deb11u12.9.1+ds-1+deb12u22.11.2+ds-6
eProsima Fast DDS>=2.6.0<2.6.5
eProsima Fast DDS=2.10.0-rc1
Debian Debian Linux=11.0
Debian Debian Linux=12.0

Event History

Aug 11, 2023
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·01:51 PM
Data Sourced
via MITRE·01:51 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
Jan 12, 2024
Data Sourced
via Launchpad·12:24 AM
Description

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2023-39948?

CVE-2023-39948 is a vulnerability in eprosima Fast DDS that can remotely crash any Fast DDS process prior to versions 2.10.0 and 2.6.5.

2

How severe is CVE-2023-39948?

CVE-2023-39948 has a severity rating of 7.5 (High).

3

Which software versions are affected by CVE-2023-39948?

CVE-2023-39948 affects eprosima Fast DDS versions prior to 2.10.0 and 2.6.5.

4

How can CVE-2023-39948 be exploited?

CVE-2023-39948 can be exploited remotely to crash any Fast DDS process.

5

How can I fix CVE-2023-39948?

To fix CVE-2023-39948, it is recommended to update to version 2.10.0 or 2.6.5 of eprosima Fast DDS.

Contact

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