Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2020-10188 First vendor Publication 2020-03-06
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 10 Attack Range Network
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10188

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Os 72
Os 2
Os 3
Os 349

SAINT Exploits

Description Link
netkit telnetd nextitem vulnerability More info here

Snort® IPS/IDS

Date Description
2020-07-29 netkit-telnet server memory corruption attempt
RuleID : 54389 - Revision : 1 - Type : PROTOCOL-TELNET

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CISCO https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...
MISC https://appgateresearch.blogspot.com/2020/02/bravestarr-fedora-31-netkit-teln...
https://github.com/krb5/krb5-appl/blob/d00cd671dfe945791b33d4f1f6a5c57ae1667e...
https://www.arista.com/en/support/advisories-notices/security-advisories/1070...
https://www.oracle.com/security-alerts/cpuApr2021.html
MLIST https://lists.debian.org/debian-lts-announce/2020/05/msg00012.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00038.html

Alert History

If you want to see full details history, please login or register.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Date Informations
2023-11-07 21:37:51
  • Multiple Updates
2023-06-16 21:27:44
  • Multiple Updates
2022-01-27 01:41:02
  • Multiple Updates
2022-01-22 12:41:18
  • Multiple Updates
2021-12-16 01:41:41
  • Multiple Updates
2021-12-01 01:49:20
  • Multiple Updates
2021-12-01 00:23:21
  • Multiple Updates
2021-11-18 05:23:14
  • Multiple Updates
2021-11-10 09:23:32
  • Multiple Updates
2021-11-08 17:23:08
  • Multiple Updates
2021-06-15 00:23:12
  • Multiple Updates
2020-09-03 01:29:05
  • Multiple Updates
2020-07-29 21:23:03
  • Multiple Updates
2020-06-25 00:22:37
  • Multiple Updates
2020-05-23 02:34:54
  • First insertion