CVE-2015-8738

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    CVE-2015-8738

    Published: 4 Jan 2016Last Modified: 10 Apr 2026

    Summary:

    Details: The s7comm_decode_ud_cpu_szl_subfunc function in epan/dissectors/packet-s7comm_szl_ids.c in the S7COMM dissector in Wireshark 2.0.x before 2.0.1 does not validate the list count in an SZL response, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted packet.

    References: http://www.wireshark.org/security/wnpa-sec-2015-56.html, https://security.gentoo.org/glsa/201604-05, https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11823, http://www.securitytracker.com/id/1034551, https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=858c3f0079f987833fb22eba2c361d1a88ba4103

    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