7.5

CVE-2017-9343: wireshark NULL Pointer Dereference

CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2017-9343UBUNTU-CVE-2017-9343DEBIAN-CVE-2017-9343
Published 02-06-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-9343 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in wireshark. EPSS estimates a 3.24% chance of exploitation in the next 30 days, higher than 88.1% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
3.24%
0%100%
Low · +0.10 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 3

Timeline

  1. 02-06-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the MSNIP dissector misuses a NULL pointer. This was addressed in epan/dissectors/packet-msnip.c by validating an IPv4 address.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

3.24%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

+0.10 pp

From 3.14% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • wireshark≥ 2.0.0, < 2.2.7-r0
Debian1 product
  • wireshark< 2.2.7-1
Ubuntu1 product
  • wireshark< 2.6.3-1~ubuntu14.04.1 | < 2.6.3-1~ubuntu16.04.1 | < 2.6.3-1~ubuntu18.04.1
Wireshark1 product
  • wireshark≥ 2.0.0, ≤ 2.0.12 | ≥ 2.2.0, ≤ 2.2.6

4 vendors · 4 products

References

11 links
Show all 11 references