Vulnerability DatabaseCVE-2017-17997
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CVE-2017-17997
Published:December 30, 2017
Updated:May 17, 2026
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.
Related Resources (8)
https://code.wireshark.org/review/#/c/25063/
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-17997
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50
https://security-tracker.debian.org/tracker/CVE-2017-17997
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
https://www.wireshark.org/security/wnpa-sec-2018-02.html
https://access.redhat.com/security/cve/CVE-2017-17997
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
NULL Pointer Dereference
CWE-476
EPSS
Base Score:
0.70