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    CVE-2012-4522

    The rb_get_path_check function in file.c in Ruby 1.9.3 before patchlevel 286 and Ruby 2.0.0 before r37163 allows context-dependent attackers to create files in unexpected locations or with unexpected names via a NUL byte in a file path.

    Published:Oct 12, 2012
    Last Modified:Apr 11, 2025
    EPS:Nov 24, 2012
    EPSS Score:0.00565
    CVSS Score:5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Ruby-lang
    Product
    Ruby

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090235.html
    http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090515.html
    http://rhn.redhat.com/errata/RHSA-2013-0129.html
    http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37163
    http://www.openwall.com/lists/oss-security/2012/10/12/6
    http://www.openwall.com/lists/oss-security/2012/10/13/1
    http://www.openwall.com/lists/oss-security/2012/10/16/1
    http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/
    http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090235.html
    http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090515.html
    http://rhn.redhat.com/errata/RHSA-2013-0129.html
    http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37163
    http://www.openwall.com/lists/oss-security/2012/10/12/6
    http://www.openwall.com/lists/oss-security/2012/10/13/1
    http://www.openwall.com/lists/oss-security/2012/10/16/1
    http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/

    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