CVE-2020-12140

A buffer overflow in os/net/mac/ble/ble-l2cap.c in the BLE stack in Contiki-NG 4.4 and earlier allows an attacker to execute arbitrary code via malicious L2CAP frames.

CVSS v3 8.8 HIGH
CVSS v2.0 8.3 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.3^/10

CVSS v2.0 : HIGH

Vector : AV:A/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 6.5 / Impact : 10.0

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/contiki-ng/contiki-ng/pull/1662	Patch Third Party Advisory
https://twitter.com/ScepticCtf	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*

History

09 Dec 2021, 16:50

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 8.3 v3 : 8.8
References	~~(MISC) https://github.com/contiki-ng/contiki-ng/pull/1662 -~~	(MISC) https://github.com/contiki-ng/contiki-ng/pull/1662 - Patch, Third Party Advisory
References	~~(MISC) https://twitter.com/ScepticCtf -~~	(MISC) https://twitter.com/ScepticCtf - Third Party Advisory
CPE		cpe:2.3:o:contiki-ng:contiki-ng::::::::
CWE		CWE-120

07 Dec 2021, 19:45

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-07 19:15

Updated : 2024-02-04 22:08

NVD link : CVE-2020-12140

Mitre link : CVE-2020-12140

CVE.ORG link : CVE-2020-12140

JSON object : View

Products Affected

contiki-ng

contiki-ng

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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