CVE-2017-17997
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
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.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | 8.0 | affected | |
| debian | bookworm | fixed | 2.4.0-1 |
| debian | bullseye | fixed | 2.4.0-1 |
| debian | forky | fixed | 2.4.0-1 |
| debian | sid | fixed | 2.4.0-1 |
| debian | trixie | fixed | 2.4.0-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| wireshark | wireshark | {"endIncluding":"2.2.11"} | |
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%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
- https://www.wireshark.org/security/wnpa-sec-2018-02.html
- https://www.suse.com/security/cve/CVE-2017-17997.html
- https://security-tracker.debian.org/tracker/CVE-2017-17997
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.