ezXML 0.8.3/0.8.4/0.8.5/0.8.6 ezxml.c ezxml_parse_str XML File null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in ezXML 0.8.3/0.8.4/0.8.5/0.8.6. Impacted is the function ezxml_parse_str of the file ezxml.c. The manipulation as part of XML File leads to null pointer dereference. This vulnerability is traded as CVE-2019-20007. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in ezXML 0.8.3/0.8.4/0.8.5/0.8.6. It has been rated as problematic. This issue affects the function ezxml_parse_str of the file ezxml.c. The manipulation as part of a XML File 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 summary by CVE is:

An issue was discovered in ezXML 0.8.2 through 0.8.6. The function ezxml_str2utf8, while parsing a crafted XML file, performs zero-length reallocation in ezxml.c, leading to returning a NULL pointer (in some compilers). After this, the function ezxml_parse_str does not check whether the s variable is not NULL in ezxml.c, leading to a NULL pointer dereference and crash (segmentation fault).

The weakness was shared 12/26/2019. The identification of this vulnerability is CVE-2019-20007 since 12/26/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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-147778 and VDB-147777 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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: Null pointer dereference
CWE: CWE-476 / 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

12/26/2019 🔍
12/26/2019 +0 days 🔍
12/27/2019 +1 days 🔍
03/17/2024 +1542 days 🔍

Sourcesinfo

Advisory: sourceforge.net
Status: Not defined

CVE: CVE-2019-20007 (🔍)
GCVE (CVE): GCVE-0-2019-20007
GCVE (VulDB): GCVE-100-147779
See also: 🔍

Entryinfo

Created: 12/27/2019 09:00
Updated: 03/17/2024 12:32
Changes: 12/27/2019 09:00 (37), 12/27/2019 09:05 (17), 03/17/2024 12:32 (3)
Complete: 🔍
Cache ID: 216::103

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