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cvelistIcscertCVELIST:CVE-2021-38435
HistoryMay 05, 2022 - 3:27 p.m.

CVE-2021-38435 RTI Connext DDS Professional and Connext DDS Secure Incorrect Calculation of Buffer Size

2022-05-0515:27:58
CWE-131
icscert
www.cve.org
4
cve-2021-38435
rti connext
buffer overflow

CVSS3

6.6

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

AI Score

9.6

Confidence

High

EPSS

0.002

Percentile

59.5%

RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 not correctly calculate the size when allocating the buffer, which may result in a buffer overflow.

CNA Affected

[
  {
    "product": "Connext DDS Professional",
    "vendor": "RTI",
    "versions": [
      {
        "lessThanOrEqual": "6.1.0",
        "status": "affected",
        "version": "4.2x",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Connext DDS Secure",
    "vendor": "RTI",
    "versions": [
      {
        "lessThanOrEqual": "6.1.0",
        "status": "affected",
        "version": "4.2x",
        "versionType": "custom"
      }
    ]
  }
]

CVSS3

6.6

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

AI Score

9.6

Confidence

High

EPSS

0.002

Percentile

59.5%

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