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CVE-2021-38429— OCI OpenDDS Secure Network Amplification

Quick assessment

Affected
OCI OpenDDS
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.

Object Computing OpenDDS是美国Object Computing公司的一个用于 C++ 和 Java 应用程序的开源中间件框架。 Object Computing OpenDDS 中存在输入验证错误漏洞，该漏洞源于产品未对不必要的数据做有效处理。攻击者可通过该漏洞导致拒绝服务。以下产品及版本受到影响：OCI OpenDDS 3.18.1 之前版本。

CVSS 6.6 · Medium EPSS 1.47% · P73
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I. Basic Information for CVE-2021-38429

Vulnerability Information
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Vulnerability Title
OCI OpenDDS Secure Network Amplification
Source: CVE Program / CVE List V5
Vulnerability Description
OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure.
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
对网络消息容量的控制不充分(网络放大攻击)
Source: CVE Program / CVE List V5
Vulnerability Title
Object Computing OpenDDS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Object Computing OpenDDS是美国Object Computing公司的一个用于 C++ 和 Java 应用程序的开源中间件框架。 Object Computing OpenDDS 中存在输入验证错误漏洞，该漏洞源于产品未对不必要的数据做有效处理。攻击者可通过该漏洞导致拒绝服务。以下产品及版本受到影响：OCI OpenDDS 3.18.1 之前版本。
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
OCI OpenDDS unspecified ~ 3.18.1 -

II. Public POCs for CVE-2021-38429

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III. Intelligence Information for CVE-2021-38429

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Vendor Advisories for CVE-2021-38429 (1)

Other References for CVE-2021-38429 (1)

Same Patch Batch · OCI · 2022-05-05 · 3 CVEs total

CVE-2021-38447 8.6 HIGH OCI OpenDDS Secure Amplification
CVE-2021-38445 7.0 HIGH OCI OpenDDS Secure Improper Handling of Length Parameter Inconsistency

IV. Related Vulnerabilities

Same product: OpenDDS
Same vendor: OCI
Same weakness: CWE-406

V. Comments for CVE-2021-38429

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