National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-17997 Detail

Current Description

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.

Source:  MITRE      Last Modified:  01/11/2018      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-17997
Original release date:
12/30/2017
Last revised:
01/12/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.5 High
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (legend)
Impact Score:
3.6
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299 Issue Tracking; Patch; Vendor Advisory External Source MISC https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299
https://code.wireshark.org/review/#/c/25063/ Issue Tracking; Patch; Vendor Advisory External Source MISC https://code.wireshark.org/review/#/c/25063/
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=80a695869c9aef2fb473d9361da068022be7cb50 Issue Tracking; Patch; Vendor Advisory External Source MISC https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=80a695869c9aef2fb473d9361da068022be7cb50
https://www.wireshark.org/security/wnpa-sec-2018-02.html Vendor Advisory External Source MISC https://www.wireshark.org/security/wnpa-sec-2018-02.html

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Change History 2 change records found - show changes