CVE-2021-30485 Information

Description

An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() while parsing a crafted XML file performs incorrect memory handling leading to a NULL pointer dereference while running strcmp() on a NULL pointer.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://sourceforge.net/p/ezxml/bugs/25/ https://lists.debian.org/debian-lts-announce/2021/07/msg00005.html

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

6.5