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.

CVSS v3.0 3.3 LOW

3.3^/10

CVSS v3.0 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
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

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

Information

Published : 2022-08-24 09:15

Updated : 2022-11-29 07:45

NVD link : CVE-2021-4217

Mitre link : CVE-2021-4217

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

redhat

enterprise_linux

fedoraproject

fedora

unzip_project

unzip

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