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MitreCVE-2021-30485

HistoryApr 11, 2021 - 4:15 p.m.

CVE-2021-30485

2021-04-1116:15:13

CWE-476

mitre

web.nvd.nist.gov

cve-2021-30485

libezxml.a

ezxml 0.8.6

xml parsing

memory handling

null pointer dereference

strcmp()

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

38.1%

JSON

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.

Affected configurations

Nvd

Node

ezxml_projectezxmlMatch0.8.6

Node

debiandebian_linuxMatch9.0

VendorProductVersionCPE
ezxml_projectezxml0.8.6cpe:2.3:a:ezxml_project:ezxml:0.8.6:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*