CVE-2020-10188

Severity CVSS v4.0:

Pending analysis

Type:

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Publication date:

06/03/2020

Last modified:

07/11/2023

Description

utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the netclear and nextitem functions.

Impact

Vector 3.x

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

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vector 2.0

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

Base Score: 10.00 HIGH
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Base Score 2.0

10.00

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:netkit_telnet_project:netkit_telnet::::::::		0.17 (including)
cpe:2.3:o:fedoraproject:fedora:30:::::::*
cpe:2.3:o:fedoraproject:fedora:31:::::::*
cpe:2.3:o:fedoraproject:fedora:32:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:arista:eos::::::::		4.20.15 (including)
cpe:2.3:o:arista:eos::::::::	4.21.0 (including)	4.21.10m (including)
cpe:2.3:o:arista:eos::::::::	4.22 (including)	4.22.4m (including)
cpe:2.3:o:arista:eos::::::::	4.23 (including)	4.23.3m (including)
cpe:2.3:o:arista:eos:4.24.0f:::::::*
cpe:2.3:a:oracle:communications_performance_intelligence_center:10.4.0.2:::::::*
cpe:2.3:o:juniper:junos:12.3:-::::::
cpe:2.3:o:juniper:junos:12.3:r1::::::
cpe:2.3:o:juniper:junos:12.3:r10::::::

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

CPE	From	Up to
cpe:2.3:a:netkit_telnet_project:netkit_telnet::::::::		0.17 (including)
cpe:2.3:o:fedoraproject:fedora:30:::::::*
cpe:2.3:o:fedoraproject:fedora:31:::::::*
cpe:2.3:o:fedoraproject:fedora:32:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:arista:eos::::::::		4.20.15 (including)
cpe:2.3:o:arista:eos::::::::	4.21.0 (including)	4.21.10m (including)
cpe:2.3:o:arista:eos::::::::	4.22 (including)	4.22.4m (including)
cpe:2.3:o:arista:eos::::::::	4.23 (including)	4.23.3m (including)
cpe:2.3:o:arista:eos:4.24.0f:::::::*
cpe:2.3:a:oracle:communications_performance_intelligence_center:10.4.0.2:::::::*
cpe:2.3:o:juniper:junos:12.3:-::::::
cpe:2.3:o:juniper:junos:12.3:r1::::::
cpe:2.3:o:juniper:junos:12.3:r10::::::

CVE-2020-10188

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools