ezXML 0.8.3/0.8.4/0.8.5/0.8.6 ezxml_char_content release of reference

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in ezXML 0.8.3/0.8.4/0.8.5/0.8.6 and classified as critical. This issue affects the function ezxml_char_content. This manipulation causes release of reference. This vulnerability is tracked as CVE-2019-20202. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in ezXML 0.8.3/0.8.4/0.8.5/0.8.6 and classified as critical. Affected by this vulnerability is the function ezxml_char_content. The manipulation with an unknown input leads to a release of reference vulnerability. The CWE definition for the vulnerability is CWE-763. The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in ezXML 0.8.3 through 0.8.6. The function ezxml_char_content() tries to use realloc on a block that was not allocated, leading to an invalid free and segmentation fault.

The weakness was disclosed 12/31/2019. This vulnerability is known as CVE-2019-20202 since 12/31/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability 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.

The entries VDB-148206, VDB-148205, VDB-148204 and VDB-148203 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Release of reference
CWE: CWE-763 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

12/31/2019 🔍
12/31/2019 +0 days 🔍
01/01/2020 +1 days 🔍
03/19/2024 +1539 days 🔍

Sourcesinfo

Advisory: sourceforge.net
Status: Not defined

CVE: CVE-2019-20202 (🔍)
GCVE (CVE): GCVE-0-2019-20202
GCVE (VulDB): GCVE-100-148207
See also: 🔍

Entryinfo

Created: 01/01/2020 11:45
Updated: 03/19/2024 08:17
Changes: 01/01/2020 11:45 (35), 01/01/2020 11:50 (17), 03/19/2024 08:17 (17)
Complete: 🔍
Cache ID: 216::103

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