In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file.
    Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as     demonstrated by mxmldoc. (CVE-2018-20592)

Note that Nessus relies on the presence of the package as reported by the vendor.

Update to 3.0. License has changed to ASL 2.0 + exception. See https://github.com/michaelrsweet/mxml/releases/tag/v3.0 for more info.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
257646	Linux Distros Unpatched Vulnerability : CVE-2018-20592	Nessus	Misc.	medium
124489	Fedora 30 : mxml (2019-4182dd32eb)	Nessus	Fedora Local Security Checks	high
123049	Fedora 28 : mxml (2019-d333d01e08)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2018-20592

medium

Tenable Plugins

medium

high

high