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CVE-2019-20199

Date: December 31, 2019

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.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2019-20199
https://sourceforge.net/p/ezxml/bugs/18/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-20199
https://security-tracker.debian.org/tracker/CVE-2019-20199
https://www.mend.io/vulnerability-database/CVE-2019-20199

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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