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    CVE-2017-5885

    Multiple integer overflows in the (1) vnc_connection_server_message and (2) vnc_color_map_set functions in gtk-vnc before 0.7.0 allow remote servers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving SetColorMapEntries, which triggers a buffer overflow.

    Published:Feb 1, 2017
    Last Modified:Apr 20, 2025
    EPS:Feb 28, 2017
    EPSS Score:0.0065
    CVSS Score:9.8

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Gnome
    Product
    Gtk-vnc
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://bugzilla.gnome.org/show_bug.cgi?id=778050https://bugzilla.gnome.org/show_bug.cgi?id=778050

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    References

    http://www.openwall.com/lists/oss-security/2017/02/03/5
    http://www.openwall.com/lists/oss-security/2017/02/05/5
    http://www.securityfocus.com/bid/96016
    https://access.redhat.com/errata/RHSA-2017:2258
    https://bugzilla.gnome.org/show_bug.cgi?id=778050
    https://git.gnome.org/browse/gtk-vnc/commit/?id=c8583fd3783c5b811590fcb7bae4ce6e7344963e
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK/
    http://www.openwall.com/lists/oss-security/2017/02/03/5
    http://www.openwall.com/lists/oss-security/2017/02/05/5
    http://www.securityfocus.com/bid/96016
    https://access.redhat.com/errata/RHSA-2017:2258
    https://bugzilla.gnome.org/show_bug.cgi?id=778050
    https://git.gnome.org/browse/gtk-vnc/commit/?id=c8583fd3783c5b811590fcb7bae4ce6e7344963e
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK/

    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