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IcscertCVE-2021-38435

HistoryMay 05, 2022 - 5:15 p.m.

CVE-2021-38435

2022-05-0517:15:09

CWE-131

icscert

web.nvd.nist.gov

cve-2021-38435

rti connext

dds professional

dds secure

buffer overflow

security vulnerability

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.002

Percentile

59.5%

JSON

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.

Affected configurations

Nvd

Node

rticonnext_dds_professionalRange4.2–6.1.0

rticonnext_dds_secureRange4.2–6.1.0

VendorProductVersionCPE
rticonnext_dds_professional*cpe:2.3:a:rti:connext_dds_professional:*:*:*:*:*:*:*:*
rticonnext_dds_secure*cpe:2.3:a:rti:connext_dds_secure:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
rti	connext_dds_professional	*	cpe:2.3:a:rti:connext_dds_professional::::::::
rti	connext_dds_secure	*	cpe:2.3:a:rti:connext_dds_secure::::::::

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"
      }
    ]
  }
]

References

support.rti.com/s/login/?ec=302&startURL=%2Fs%2F

www.cisa.gov/uscert/ics/advisories/icsa-21-315-02

Social References

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.002

Percentile

59.5%

JSON

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