CVE-2019-20593
NixOS vulnerability analysis and mitigation

Overview

In Mini-XML (mxml) version 2.12, there exists a stack-based buffer overflow vulnerability in the scan_file function within mxmldoc.c. The vulnerability was assigned identifier CVE-2018-20593 and was disclosed on December 30, 2018 (CVE Details).

Technical details

The vulnerability is a stack-based buffer overflow that occurs in the scan_file function of mxmldoc.c component. This security flaw affects Mini-XML (mxml) version 2.12. Technical proof-of-concept exploits have been documented and are available for reference (GitHub POC, GitHub POC 2).

Impact

A successful exploitation of this vulnerability could allow attackers to cause a buffer overflow condition, potentially leading to code execution or system crashes. The stack-based nature of the overflow makes this particularly concerning from a security perspective.

Mitigation and workarounds

The vulnerability has been addressed in subsequent releases. Users are advised to update to the latest version of Mini-XML. The fix was distributed through various channels including the Fedora Project (Fedora Update 1, Fedora Update 2).

Additional resources


SourceThis report was generated using AI

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