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CVE-2018-16452

Published: 30 September 2019

The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
tcpdump
Launchpad, Ubuntu, Debian
bionic
Released (4.9.3-0ubuntu0.18.04.1)
disco Ignored
(end of life)
eoan Not vulnerable
(4.9.3-2)
upstream
Released (4.9.3)
trusty
Released (4.9.3-0ubuntu0.14.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
xenial
Released (4.9.3-0ubuntu0.16.04.1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H