Reachable assertion in eProsima Fast DDS

1) Reachable Assertion

EUVDB-ID: #VU79824

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-39949

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion caused by improper validation of sequence numbers. 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 - 2.9.0

CPE2.3

• cpe:2.3:a:eprosima:fast_dds:2.9.0:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.8.2:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.6.4:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:eprosima:fast_dds:2.0.3:*:*:*:*:*:*:*

External links

http://github.com/eProsima/Fast-DDS/issues/3236
http://github.com/eProsima/Fast-DDS/blob/v2.9.0/src/cpp/rtps/messages/MessageReceiver.cpp#L1059
http://github.com/eProsima/Fast-DDS/security/advisories/GHSA-3jv9-j9x3-95cg
http://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.