CVE-2023-39945 Malformed serialized data in a data submessage leads to unhandled exception

2023-08-1113:21:53

CWE-248

GitHub_M

www.cve.org

cve-2023-39945

data distribution service

object management group

unhandled exception

fastdds

patch

CVSS3

8.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.2

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 2.11.0, 2.10.2, 2.9.2, and 2.6.5, a data submessage sent to PDP port raises unhandled BadParamException in fastcdr, which in turn crashes fastdds. Versions 2.11.0, 2.10.2, 2.9.2, 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, < 2.9.2",
        "status": "affected"
      },
      {
        "version": ">= 2.10.0, < 2.10.2",
        "status": "affected"
      }
    ]
  }
]