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    CVE-2013-4256

    Multiple stack-based and heap-based buffer overflows in Network Audio System (NAS) 1.9.3 allow local users to cause a denial of service (crash) or possibly execute arbitrary code via the (1) display command argument to the ProcessCommandLine function in server/os/utils.c; (2) ResetHosts function in server/os/access.c; (3) open_unix_socket, (4) open_isc_local, (5) open_xsight_local, (6) open_att_local, or (7) open_att_svr4_local function in server/os/connection.c; the (8) AUDIOHOST environment variable to the CreateWellKnownSockets or (9) AmoebaTCPConnectorThread function in server/os/connection.c; or (10) unspecified vectors related to logging in the osLogMsg function in server/os/aulog.c.

    Published:Oct 9, 2013
    Last Modified:Apr 11, 2025
    EPS:Oct 9, 2013
    EPSS Score:0.00144
    CVSS Score:4.6

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Radscan
    Product
    Network Audio System

    Exploits

    http://radscan.com/pipermail/nas/2013-August/001270.htmlhttp://sourceforge.net/p/nas/code/288http://radscan.com/pipermail/nas/2013-August/001270.htmlhttp://sourceforge.net/p/nas/code/288

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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