CVE-2017-17997

Published: Dec 30, 2017Modified: May 13, 2026

7.5

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (2)

Products: Wireshark: Wireshark · Debian: Debian Linux

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Wireshark Wireshark	Up to 2.2.11

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 8.0

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (10)

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299

Source: cve@mitre.org

Issue TrackingPatchVendor Advisory

https://code.wireshark.org/review/#/c/25063/

Source: cve@mitre.org

Issue TrackingPatchVendor Advisory

https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50

Source: cve@mitre.org

https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://www.wireshark.org/security/wnpa-sec-2018-02.html

Source: cve@mitre.org

Vendor Advisory

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299