CVE-2017-17997

MEDIUM

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.

References

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

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

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=80a695869c9aef2fb473d9361da068022be7cb50

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

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

Details

Source: MITRE

Published: 2017-12-30

Updated: 2019-03-01

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH