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THREATINT
PUBLISHED

CVE-2023-4043

Parsson DoS when parsing numbers from untrusted sources



Assignereclipse
Reserved2023-08-01
Published2023-11-03
Updated2024-09-05

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.



MEDIUM: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-20 Improper Input Validation

CWE-834 Excessive Iteration

Product status

Default status
0x40032bb600

Any version before 1.0.5
affected

1.1.0 before 1.1.4
affected

Credits

Yuan Tian 0x40032bb670

References

https://github.com/eclipse-ee4j/parsson/pull/100

https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/13

cve.org CVE-2023-4043

nvd.nist.gov CVE-2023-4043

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