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CVE-2020-25863

Published: 6 October 2020

In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the MIME Multipart dissector could crash. This was addressed in epan/dissectors/packet-multipart.c by correcting the deallocation of invalid MIME parts.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
wireshark
Launchpad, Ubuntu, Debian
impish Not vulnerable
(3.2.7-1)
bionic
Released (2.6.10-1~ubuntu18.04.0+esm1)
Available with Ubuntu Pro
focal
Released (3.2.3-1ubuntu0.1~esm1)
Available with Ubuntu Pro
trusty
Released (2.6.10-1~ubuntu14.04.0~esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
xenial
Released (2.6.10-1~ubuntu16.04.0+esm1)
Available with Ubuntu Pro
groovy Not vulnerable
(3.2.7-1)
upstream
Released (3.2.7-1)
hirsute Not vulnerable
(3.2.7-1)
jammy Not vulnerable
(3.2.7-1)
kinetic Not vulnerable
(3.2.7-1)
lunar Not vulnerable
(3.2.7-1)
mantic Not vulnerable
(3.2.7-1)

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