CVE-2018-20592 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://github.com/michaelrsweet/mxml/issues/237 https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/uaf_mxml-node.c:128_1.txt.err https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/uaf_mxml-node.c:128_2.txt.err 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/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5