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CVE-2021-38433— RTI Connext DDS Professional and Connext DDS Secure Stack-based Buffer Overflow

Quick assessment

Affected
RTI Connext DDS Professional
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Real-Time Innovations Connext Dds Professional和Connext Dds Secure都是美国Real-Time Innovations公司的产品。Connext Dds Professional是一个旨在满足自主系统苛刻连接要求的软件框架。Connext Dds Secure是一个可信软件连接框架。用于构建和保护系统系统。 Real-Time Innovations Connext Dds Professional和Connext Dds Secure中存在缓

CVSS 6.6 · Medium EPSS 0.55% · P43

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-38433

Vulnerability Information
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Vulnerability Title
RTI Connext DDS Professional and Connext DDS Secure Stack-based Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 vulnerable to a stack-based buffer overflow, which may allow a local attacker to execute arbitrary code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Connext Dds多款产品缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Real-Time Innovations Connext Dds Professional和Connext Dds Secure都是美国Real-Time Innovations公司的产品。Connext Dds Professional是一个旨在满足自主系统苛刻连接要求的软件框架。Connext Dds Secure是一个可信软件连接框架。用于构建和保护系统系统。 Real-Time Innovations Connext Dds Professional和Connext Dds Secure中存在缓
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
RTI Connext DDS Professional 4.2x ~ 6.1.0 -
RTI Connext DDS Secure 4.2x ~ 6.1.0 -

II. Public POCs for CVE-2021-38433

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III. Intelligence Information for CVE-2021-38433

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Vendor Advisories for CVE-2021-38433 (1)

Other References for CVE-2021-38433 (1)

Same Patch Batch · RTI · 2022-05-05 · 4 CVEs total

CVE-2021-38487 8.2 HIGH Potential Network Amplification and Information Exposure in RTI Connext Professional and C
CVE-2021-38427 6.6 MEDIUM RTI Connext DDS Professional and Connext DDS Secure Stack-based Buffer Overflow
CVE-2021-38435 6.6 MEDIUM RTI Connext DDS Professional and Connext DDS Secure Incorrect Calculation of Buffer Size

IV. Related Vulnerabilities

Same product: Connext DDS Professional
Same vendor: RTI
Same weakness: CWE-121

V. Comments for CVE-2021-38433

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