Vulnerability Name:

CVE-2020-13985 (CCN-192750)

Assigned:2020-12-08
Published:2020-12-08
Updated:2021-07-21
Summary:An issue was discovered in Contiki through 3.0. A memory corruption vulnerability exists in the uIP TCP/IP stack component when handling RPL extension headers of IPv6 network packets in rpl_remove_header in net/rpl/rpl-ext-header.c.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-190
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-13985

Source: CCN
Type: US-CERT VU#815128
Embedded TCP/IP stacks have memory corruption vulnerabilities

Source: XF
Type: UNKNOWN
tcpipstacks-cve202013985-dos(192750)

Source: CCN
Type: contiki GIT Repository
The Contiki Operating System

Source: CCN
Type: ICSA-20-343-01
Multiple Embedded TCP/IP Stacks

Source: MISC
Type: Third Party Advisory, US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01

Source: CCN
Type: Forescout Web site
AMNESIA:33

Source: MISC
Type: Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/815128

Vulnerable Configuration:Configuration 1:
  • cpe:/o:contiki-os:contiki:*:*:*:*:*:*:*:* (Version <= 3.0)

    • * Denotes that component is vulnerable
    BACK
    contiki-os contiki *