ezXML 0.8.6 XML File libezxml.a ezxml_internal_dtd null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in ezXML 0.8.6. This impacts the function ezxml_internal_dtd of the file libezxml.a of the component XML File Handler. Such manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2021-30485. No exploit exists.

Detailsinfo

A vulnerability was found in ezXML 0.8.6 and classified as problematic. Affected by this issue is the function ezxml_internal_dtd of the file libezxml.a of the component XML File Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The weakness was disclosed 04/11/2021. The advisory is available at sourceforge.net. This vulnerability is handled as CVE-2021-30485. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/10/2021 🔍
04/11/2021 +1 days 🔍
04/11/2021 +0 days 🔍
04/15/2021 +4 days 🔍

Sourcesinfo

Advisory: sourceforge.net
Status: Not defined

CVE: CVE-2021-30485 (🔍)
GCVE (CVE): GCVE-0-2021-30485
GCVE (VulDB): GCVE-100-172742

Entryinfo

Created: 04/11/2021 20:51
Updated: 04/15/2021 18:19
Changes: 04/11/2021 20:51 (37), 04/15/2021 18:19 (2)
Complete: 🔍
Cache ID: 216::103

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