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CVE-2021-31229

Published: Apr 15, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-787
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
1.0%
Top 40.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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 Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

ezxmlezxml project
On-prem
OSS Libraries / generic-library
debian linuxdebian
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
PnetCDFArgonne National Laboratory and Northwestern University
On-prem
OSS Libraries / generic-library
ezxml projectoss-projectOSS Librariesaka ezxml
debianoss-projectGBOperating Systemsaka debian gnu/linux
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
argonne national laboratory and northwestern universityoss-projectUSOSS Librariesaka argonne, northwestern university, pnetcdf, pnetcdf library
and 3 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://lists.debian.org/debian-lts-announce/2021/07/msg00005.html
lists.debian.org
https://sourceforge.net/p/ezxml/bugs/26/
sourceforge.net
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989360
bugs.debian.org
and 6 more references View all →

Timeline

Published
Apr 15, 2021
Last Updated
Nov 21, 2024

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