7.5

CVE-2017-17997: debian debian_linux NULL Pointer Dereference

CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2017-17997UBUNTU-CVE-2017-17997DEBIAN-CVE-2017-17997
Published 30-12-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-17997 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 1.81% chance of exploitation in the next 30 days, higher than 78.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.81%
0%100%
Low · +0.03 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 2
DLA-1634-1MGASA-2018-0071SUSE-SU-2018:0811-1SUSE-SU-2018:0867-1

Timeline

  1. 30-12-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.81%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

+0.03 pp

From 1.78% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.81%

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

Debian2 products
Alpine1 product
  • wireshark< 2.2.12-r0
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

4 vendors · 5 products

References

10 links