CVE-2021-30468— Apache CXF Denial of service vulnerability in parsing JSON via JsonMapObjectReaderWriter
Quick assessment
Affected
Apache Software Foundation Apache CXF
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache CXF是美国阿帕奇（Apache）基金会的一个开源的Web服务框架。该框架支持多种Web服务标准、多种前端编程API等。 Apache CXF存在资源管理错误漏洞，该漏洞源于Apache CXF的JsonMapObjectReaderWriter中的一个漏洞允许攻击者可利用该漏洞向web服务提交畸形的JSON，这将导致线程陷入无限循环，无限期地消耗CPU。
Possible ATT&CK Techniques 1 AI
T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-30468
Vulnerability Information
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Vulnerability Title
Apache CXF Denial of service vulnerability in parsing JSON via JsonMapObjectReaderWriter
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread getting stuck in an infinite loop, consuming CPU indefinitely. This issue affects Apache CXF versions prior to 3.4.4; Apache CXF versions prior to 3.3.11.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache CXF 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache CXF是美国阿帕奇（Apache）基金会的一个开源的Web服务框架。该框架支持多种Web服务标准、多种前端编程API等。 Apache CXF存在资源管理错误漏洞，该漏洞源于Apache CXF的JsonMapObjectReaderWriter中的一个漏洞允许攻击者可利用该漏洞向web服务提交畸形的JSON，这将导致线程陷入无限循环，无限期地消耗CPU。
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 |
|---|---|---|---|---|
| Apache Software Foundation | Apache CXF | Apache CXF ~ 3.4.4 | - |
|
II. Public POCs for CVE-2021-30468
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-30468 (3)
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https://www.oracle.com/security-alerts/cpuoct2021.html x_refsource_MISC
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https://security.netapp.com/advisory/ntap-20210917-0002/ x_refsource_CONFIRM
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https://www.oracle.com/security-alerts/cpuapr2022.html x_refsource_MISC
Mailing List Discussions for CVE-2021-30468 (11)
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https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cdev.cxf.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cannounce.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cusers.cxf.apache.org%3E mailing-list x_refsource_MLIST
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Other References for CVE-2021-30468 (1)
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V. Comments for CVE-2021-30468
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