Denial of service in eProsima Fast DDS

1) Resource management error

EUVDB-ID: #VU79817

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-2021-38425

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources within the application. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Fast DDS: 0.3.0 - 2.11.2

CPE2.3

• cpe:2.3:a:eprosima:fast_dds:0.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:0.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:0.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:0.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:0.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:0.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:1.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:1.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:1.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:1.2.0:*:*:*:*:*:*:*

External links

https://github.com/eProsima/Fast-DDS
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02

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.