Buffer overflow in Mini-Xml Project

CVE-2018-20004

An issue has been found in Mini-XML (aka mxml) 2.12. It is a stack-based buffer overflow in mxml_write_node in mxml-file.c via vectors involving a double-precision floating point number and the '<order type="real">' substring, as demonstrated by testmxml.

Vulnerability class: Buffer Overflow

EPSS: 0.020 (79.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-20004?
CVE-2018-20004 is a high-severity vulnerability in Mini-Xml Project, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-12-10.
How severe is CVE-2018-20004?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-20004 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.