CVE-2023-39948 Uncaught fastcdr exception (Unexpected CDR type received) crashing fastdds

2023-08-1113:51:38

CWE-248

GitHub_M

www.cve.org

cve-2023-39948

eprosima

data distribution service

CVSS3

7.5

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

AI Score

7.8

Confidence

High

EPSS

0.001

Percentile

35.2%

JSON

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.

CNA Affected

[
  {
    "vendor": "eProsima",
    "product": "Fast-DDS",
    "versions": [
      {
        "version": "< 2.6.5",
        "status": "affected"
      },
      {
        "version": ">= 2.7.0, < 2.10.0",
        "status": "affected"
      }
    ]
  }
]