CVE-2021-31229

An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://lists.debian.org/debian-lts-announce/2021/07/msg00005.html	Third Party Advisory
https://sourceforge.net/p/ezxml/bugs/26/	Exploit Issue Tracking Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ezxml_project:ezxml:0.8.6:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-04-15 15:15

Updated : 2022-05-16 20:53

NVD link : CVE-2021-31229

Mitre link : CVE-2021-31229

CVE.ORG link : CVE-2021-31229

JSON object : View

Products Affected

debian

debian_linux

ezxml_project

ezxml

CWE

CWE-787

Out-of-bounds Write

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