CVE-2023-39948

Uncaught fastcdr exception (Unexpected CDR type received) crashing fastdds

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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.

eprosima Fast DDS es una implementación en C++ del estándar Data Distribution Service del Object Management Group. Antes de las versiones 2.10.0 y 2.6.5, la `BadParamException` lanzada por Fast CDR no es capturada en Fast DDS. Esto puede bloquear remotamente cualquier proceso Fast DDS. Las versiones 2.10.0 y 2.6.5 contienen un parche para este problema.

*Credits: N/A

CVSS Scores

NISTv3.1 7.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

Poc

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-08-07 CVE Reserved
2023-08-11 CVE Published
2024-09-12 EPSS Updated
2024-10-09 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-248: Uncaught Exception

CAPEC

References (4)

URL	Tag	Source
https://github.com/eProsima/Fast-DDS/files/11117197/fastdds-assert.pcap.zip	Third Party Advisory
https://github.com/eProsima/Fast-DDS/issues/3422	Third Party Advisory
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-x9pj-vrgf-f68f	Third Party Advisory
https://www.debian.org/security/2023/dsa-5481	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Eprosima Search vendor "Eprosima"		Fast Dds Search vendor "Eprosima" for product "Fast Dds"				>= 2.6.0 < 2.6.5 Search vendor "Eprosima" for product "Fast Dds" and version " >= 2.6.0 < 2.6.5"		-		Affected
Eprosima Search vendor "Eprosima"		Fast Dds Search vendor "Eprosima" for product "Fast Dds"				2.10.0 Search vendor "Eprosima" for product "Fast Dds" and version "2.10.0"		rc1		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				12.0 Search vendor "Debian" for product "Debian Linux" and version "12.0"		-		Affected