CVE-2019-20007
Last modified
CVE-2019-20007 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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). EPSS estimates a 1.28% chance of exploitation in the next 30 days.
Description
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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ezxml Project | Ezxml | >= 0.8.2, <= 0.8.6 |
References
- https://sourceforge.net/p/ezxml/bugs/13/Exploit, Third Party Advisory
- https://sourceforge.net/p/ezxml/bugs/13/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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