Vulnerability Details : CVE-2019-20202
Potential exploit
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2019-20202
- cpe:2.3:a:ezxml_project:ezxml:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-20202
0.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-20202
| 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-2019-20202
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-20202
-
https://sourceforge.net/p/ezxml/bugs/17/
ezXML / Bugs / #17 Using realloc on not allocated memory block (ezxml_char_content)Exploit;Issue Tracking;Third Party Advisory
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