Denial of service in eProsima Fast DDS

1) Uncaught Exception

EUVDB-ID: #VU79823

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-39948

CWE-ID: CWE-248 - Uncaught Exception

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an uncaught exception when handling data submessage. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Fast DDS: 2.0.0 - 2.9.1

CPE2.3

• cpe:2.3:a:eprosima:fast_dds:2.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.2.0:*:*:*:*:*:*:*

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.