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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.020 (80.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Mini-Xml Project — versions 2.12
- Debian Linux — versions 8.0
- Fedoraproject Fedora — versions 28, 29
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/michaelrsweet/mxml/issues/233 (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/01/msg00018.html (mailing-list, Third Party Advisory)
- github.com/fouzhe/security/tree/master/mxml (Exploit, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
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.