CVE-2018-20004: Buffer Overflow
First published: Mon Dec 10 2018(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| mini-xml | =2.12 | |
| Debian | =8.0 | |
| Fedora | =28 | |
| Fedora | =29 |
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Reference Links
- https://github.com/fouzhe/security/tree/master/mxml#stack-buffer-overflow-in-function-mxml_write_node
- https://github.com/michaelrsweet/mxml/issues/233
- https://lists.debian.org/debian-lts-announce/2019/01/msg00018.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/
Frequently Asked Questions
What is the severity of CVE-2018-20004?
CVE-2018-20004 is classified as a high severity vulnerability due to its potential for exploitation via stack-based buffer overflow.
How do I fix CVE-2018-20004?
To mitigate CVE-2018-20004, upgrade Mini-XML to version 2.12.1 or later, or apply any relevant patches provided by your distribution.
What software is affected by CVE-2018-20004?
CVE-2018-20004 affects Mini-XML version 2.12, as well as Debian 8.0 and Fedora 28 and 29 distributions that use this version.
What type of vulnerability is CVE-2018-20004?
CVE-2018-20004 is a stack-based buffer overflow vulnerability that can occur in the mxml_write_node function.
What are the potential impacts of exploiting CVE-2018-20004?
Exploitation of CVE-2018-20004 could allow an attacker to execute arbitrary code or crash the application, leading to denial of service.
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- vendor/mini-xml project
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- version/fedora/28
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