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
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

29 Nov 2022, 15:45

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 7.8
v2 : unknown
v3 : 3.3

29 Aug 2022, 13:18

Type Values Removed Values Added
References (MISC) https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 - (MISC) https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 - Exploit, Issue Tracking, Patch, Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2044583 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2044583 - Exploit, Issue Tracking, Third Party Advisory
References (MISC) https://access.redhat.com/security/cve/CVE-2021-4217 - (MISC) https://access.redhat.com/security/cve/CVE-2021-4217 - Third Party Advisory
CPE cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:unzip_project:unzip:6.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
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:6.0:*:*:*:*:*:*:*
CWE CWE-476
First Time Fedoraproject
Unzip Project unzip
Fedoraproject fedora
Redhat
Unzip Project
Redhat enterprise Linux
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.8

24 Aug 2022, 16:24

Type Values Removed Values Added
New CVE

Information

Published : 2022-08-24 16:15

Updated : 2023-12-10 14:35


NVD link : CVE-2021-4217

Mitre link : CVE-2021-4217

CVE.ORG link : CVE-2021-4217


JSON object : View

Products Affected

unzip_project

  • unzip

redhat

  • enterprise_linux

fedoraproject

  • fedora
CWE
CWE-476

NULL Pointer Dereference