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CVE-2021-4214

Published: Aug 24, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-120
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.5%
Top 60.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to pass a specially crafted PNG file to the pngimage utility, causing an application to crash, leading to a denial of service.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
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
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Weaknesses

CWE-120CWE-787

Affected Products

libpngn/a
libpngGuy Eric Schalnat Andreas Dilger Glenn Randers-Pehrson
Library
OSS Libraries / generic-library
libpnglibpng
Library
OSS Libraries / generic-library
debian linuxdebian
On-premOS
Operating Systems / linux-distro
ontap select deploy administration utilitynetappHardware Firmware
guy eric schalnat andreas dilger glenn randers-pehrsonoss-projectOSS Librariesaka libpng
libpngoss-projectOSS Librariesaka libpng project, pngcheck (related tool)
debianoss-projectGBOperating Systemsaka debian gnu/linux
netappcommercialUSHardware Firmware

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/glennrp/libpng/issues/302
github.com
https://bugzilla.redhat.com/show_bug.cgi?id=2043393
bugzilla.redhat.com
https://access.redhat.com/security/cve/CVE-2021-4214
access.redhat.com
and 3 more references View all →

Timeline

Published
Aug 24, 2022
Last Updated
Nov 21, 2024

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