CVE-2017-17997
Publication date 30 December 2017
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| wireshark | 18.04 LTS bionic |
Fixed 2.6.3-1~ubuntu18.04.1
|
| 16.04 LTS xenial |
Fixed 2.6.3-1~ubuntu16.04.1
|
|
| 14.04 LTS trusty |
Fixed 2.6.3-1~ubuntu14.04.1
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.5 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |