Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-13987

Severity CVSS v4.0:
Pending analysis
Type:
CWE-125 Out-of-bounds Read
Publication date:
11/12/2020
Last modified:
06/08/2022

Description

An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c.

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:uip_project:uip:*:*:*:*:*:*:*:* 1.0 (including)
cpe:2.3:o:contiki-os:contiki:*:*:*:*:*:*:*:* 3.0 (including)
cpe:2.3:a:open-iscsi_project:open-iscsi:*:*:*:*:*:*:*:* 2.1.12 (including)
cpe:2.3:o:siemens:sentron_3va_com100_firmware:*:*:*:*:*:*:*:* 4.4.1 (excluding)
cpe:2.3:h:siemens:sentron_3va_com100:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:sentron_3va_com800_firmware:*:*:*:*:*:*:*:* 4.4.1 (excluding)
cpe:2.3:h:siemens:sentron_3va_com800:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:sentron_pac3200_firmware:*:*:*:*:*:*:*:* 2.4.7 (excluding)
cpe:2.3:h:siemens:sentron_pac3200:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:sentron_pac4200_firmware:*:*:*:*:*:*:*:* 2.3.0 (excluding)
cpe:2.3:h:siemens:sentron_pac4200:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools