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    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.

    Published:Jan 14, 2022
    Last Modified:Nov 21, 2024
    EPS:Aug 24, 2022
    EPSS Score:0.00172
    CVSS Score:3.3

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Unzip Project
    Product
    Unzip

    Exploits

    https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077https://bugzilla.redhat.com/show_bug.cgi?id=2044583https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077https://bugzilla.redhat.com/show_bug.cgi?id=2044583

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High