What is CVE-2023-4043?

CVE-2023-4043 is a medium-severity vulnerability in Eclipse Parsson, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2023-11-03.

How severe is CVE-2023-4043?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2023-4043 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Eclipse Parsson

CVE-2023-4043

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.008 (51.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Eclipse Parsson
Eclipse Foundation Parsson — versions 0, 1.1.0

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

emo@eclipse.org (Patch)
emo@eclipse.org (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2023-4043?: CVE-2023-4043 is a medium-severity vulnerability in Eclipse Parsson, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2023-11-03.
How severe is CVE-2023-4043?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2023-4043 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.