CVE-2021-4217

A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.
References
Link Resource
https://access.redhat.com/security/cve/CVE-2021-4217 Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 Exploit Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2044583 Exploit Issue Tracking Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-4217 Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 Exploit Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2044583 Exploit Issue Tracking Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:unzip_project:unzip:6.0:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

History

21 Nov 2024, 06:37

Type Values Removed Values Added
References () https://access.redhat.com/security/cve/CVE-2021-4217 - Third Party Advisory () https://access.redhat.com/security/cve/CVE-2021-4217 - Third Party Advisory
References () https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 - Exploit, Issue Tracking, Patch, Third Party Advisory () https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 - Exploit, Issue Tracking, Patch, Third Party Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2044583 - Exploit, Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=2044583 - Exploit, Issue Tracking, Third Party Advisory

Information

Published : 2022-08-24 16:15

Updated : 2024-11-21 06:37


NVD link : CVE-2021-4217

Mitre link : CVE-2021-4217

CVE.ORG link : CVE-2021-4217


JSON object : View

Products Affected

unzip_project

  • unzip

fedoraproject

  • fedora

redhat

  • enterprise_linux
CWE
CWE-476

NULL Pointer Dereference