CVE-2017-17997
7.5
HIGH
CVSS 3.1
EPSS 0.70%
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.
How to fix CVE-2017-17997
To remediate CVE-2017-17997, upgrade the affected package to a fixed version below.
- Alpine/wireshark—upgrade to 2.2.12-r0 or later
- Debian/wireshark—upgrade to 2.4.0-1 or later
Is CVE-2017-17997 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.2.12-r0
- from 0, < 2.4.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |