What is CVE-2018-14438?

CVE-2018-14438 is a high-severity vulnerability in Wireshark, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-07-20.

How severe is CVE-2018-14438?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Wireshark

CVE-2018-14438

In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (65.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Wireshark
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2018-14438?: CVE-2018-14438 is a high-severity vulnerability in Wireshark, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-07-20.
How severe is CVE-2018-14438?: High severity. CVSS v3 base score is 7.5 out of 10.