Vulnerability Details : CVE-2019-20199
Potential exploit
An issue was discovered in ezXML 0.8.3 through 0.8.6. The function ezxml_decode, while parsing a crafted XML file, performs incorrect memory handling, leading to NULL pointer dereference while running strlen() on a NULL pointer.
Vulnerability category: Memory Corruption
Products affected by CVE-2019-20199
- cpe:2.3:a:ezxml_project:ezxml:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-20199
0.79%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 73 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-20199
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2019-20199
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-20199
-
https://sourceforge.net/p/ezxml/bugs/18/
ezXML / Bugs / #18 NULL pointer defererence (ezxml_decode)Exploit;Issue Tracking;Third Party Advisory
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