CVE-2017-17997

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    CVE-2017-17997

    Published: 30 Dec 2017Last Modified: 8 Jul 2026

    Summary:

    Details: In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

    References: https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50, https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html, https://www.wireshark.org/security/wnpa-sec-2018-02.html, https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299, https://code.wireshark.org/review/#/c/25063/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    wireshark-2.2.11
    wireshark-2.2.10
    wireshark-2.2.9
    wireshark-2.2.8
    wireshark-2.2.7
    wireshark-2.2.6
    wireshark-2.2.5
    wireshark-2.2.4
    wireshark-2.2.3
    wireshark-2.2.2
    wireshark-2.2.1
    wireshark-2.2.0
    wireshark-2.2.0rc2
    wireshark-2.2.0rc1

    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