CVE-2023-39949 Improper validation of sequence numbers leading to remotely reachable assertion failure

2023-08-1113:55:14

CWE-617

GitHub_M

www.cve.org

cve-2023-39949

eprosima fast dds

c++ implementation

data distribution service standard

assertion failure

remotely reachable

security vulnerability

patch

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

19.4%

JSON

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.9.1 and 2.6.5, improper validation of sequence numbers may lead to remotely reachable assertion failure. This can remotely crash any Fast-DDS process. Versions 2.9.1 and 2.6.5 contain a patch for this issue.

CNA Affected

[
  {
    "vendor": "eProsima",
    "product": "Fast-DDS",
    "versions": [
      {
        "version": ">= 2.7.0, < 2.9.1",
        "status": "affected"
      },
      {
        "version": "< 2.6.5",
        "status": "affected"
      }
    ]
  }
]