CVE-2020-25862

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

06/10/2020

Last modified:

07/11/2023

Description

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 TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:wireshark:wireshark::::::::	2.6.0 (including)	2.6.20 (including)
cpe:2.3:a:wireshark:wireshark::::::::	3.0.0 (including)	3.0.13 (including)
cpe:2.3:a:wireshark:wireshark::::::::	3.2.0 (including)	3.2.6 (including)
cpe:2.3:o:fedoraproject:fedora:31:::::::*
cpe:2.3:o:fedoraproject:fedora:32:::::::*
cpe:2.3:o:fedoraproject:fedora:33:::::::*
cpe:2.3:o:opensuse:leap:15.1:::::::*
cpe:2.3:o:opensuse:leap:15.2:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:oracle:zfs_storage_appliance_firmware:8.8:::::::*
cpe:2.3:h:oracle:zfs_storage_appliance_firmware:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:wireshark:wireshark::::::::	2.6.0 (including)	2.6.20 (including)
cpe:2.3:a:wireshark:wireshark::::::::	3.0.0 (including)	3.0.13 (including)
cpe:2.3:a:wireshark:wireshark::::::::	3.2.0 (including)	3.2.6 (including)
cpe:2.3:o:fedoraproject:fedora:31:::::::*
cpe:2.3:o:fedoraproject:fedora:32:::::::*
cpe:2.3:o:fedoraproject:fedora:33:::::::*
cpe:2.3:o:opensuse:leap:15.1:::::::*
cpe:2.3:o:opensuse:leap:15.2:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:oracle:zfs_storage_appliance_firmware:8.8:::::::*
cpe:2.3:h:oracle:zfs_storage_appliance_firmware:-:::::::*

CVE-2020-25862

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools