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CVE-2020-13987

Date: December 11, 2020

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.

Language: C

Severity Score

7.5

Related Resources (8)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-13987

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-541018.pdf

Url: https://access.redhat.com/security/cve/CVE-2020-13987

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-13987

Url: https://www.kb.cert.org/vuls/id/815128

Url: https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01

Url: https://security-tracker.debian.org/tracker/CVE-2020-13987

Url: https://www.mend.io/vulnerability-database/CVE-2020-13987

Severity Score

7.5

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:	7.5
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

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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