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 | Current Exploit Price (≈) | CTI Interest Score |
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5.4 | $0-$5k | 0.00 |
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 147778 and 147777 are related to this item.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB 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: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/26/2019 🔍12/26/2019 🔍
12/27/2019 🔍
03/17/2024 🔍
Sources
Advisory: sourceforge.netStatus: Not defined
CVE: CVE-2019-20007 (🔍)
See also: 🔍
Entry
Created: 12/27/2019 09:00Updated: 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: 🔍
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