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CVE-2023-4043— Parsson DoS when parsing numbers from untrusted sources

Quick assessment

Affected
Eclipse Foundation Parsson
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.

Eclipse Parsson是Eclipse基金会的一个 Jakarta JSON 处理规范的实现。 Eclipse Parsson 1.1.4之前版本存在安全漏洞，该漏洞源于从不受信任的来源解析JSON。

CVSS 5.9 · Medium EPSS 0.76% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-4043

Vulnerability Information
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Vulnerability Title
Parsson DoS when parsing numbers from untrusted sources
Source: CVE Program / CVE List V5
Vulnerability Description
In Eclipse Parsson before versions 1.1.4 and 1.0.5, Parsing JSON from untrusted sources can lead malicious actors to exploit the fact that the built-in support for parsing numbers with large scale in Java has a number of edge cases where the input text of a number can lead to much larger processing time than one would expect. To mitigate the risk, parsson put in place a size limit for the numbers as well as their scale.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Parsson 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Parsson是Eclipse基金会的一个 Jakarta JSON 处理规范的实现。 Eclipse Parsson 1.1.4之前版本存在安全漏洞，该漏洞源于从不受信任的来源解析JSON。
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
Eclipse Foundation Parsson 0 ~ 1.0.5 -

II. Public POCs for CVE-2023-4043

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III. Intelligence Information for CVE-2023-4043

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Patches & Fixes for CVE-2023-4043 (1)

Other References for CVE-2023-4043 (1)

IV. Related Vulnerabilities

Same product: Parsson
Same vendor: Eclipse Foundation
Same weakness: CWE-20