CVE-2013-4420

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    CVE-2013-4420

    Published: 20 Feb 2014Last Modified: 16 Apr 2026

    Summary:

    Details: Multiple directory traversal vulnerabilities in the (1) tar_extract_glob and (2) tar_extract_all functions in libtar 1.2.20 and earlier allow remote attackers to overwrite arbitrary files via a .. (dot dot) in a crafted tar file.

    References: http://www.debian.org/security/2014/dsa-2863, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=731860, https://lists.feep.net:8080/pipermail/libtar/2014-February/000403.html

    Affected packages

    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