Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 33.2%
CVSS Severity
CVSS v3 Score 3.3
References
- https://access.redhat.com/security/cve/CVE-2021-4217
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077
- https://bugzilla.redhat.com/show_bug.cgi?id=2044583
- https://access.redhat.com/security/cve/CVE-2021-4217
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077
- https://bugzilla.redhat.com/show_bug.cgi?id=2044583
Products affected by CVE-2021-4217
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cpe:2.3:a:unzip_project:unzip:6.0
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cpe:2.3:o:fedoraproject:fedora:35
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cpe:2.3:o:redhat:enterprise_linux:6.0
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cpe:2.3:o:redhat:enterprise_linux:7.0
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cpe:2.3:o:redhat:enterprise_linux:8.0
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cpe:2.3:o:redhat:enterprise_linux:9.0