SB2020030621 - Remote code execution in netkit telnet

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Main Vulnerability Database SB2020030621

SB2020030621 - Remote code execution in netkit telnet

Published: March 6, 2020 Updated: April 7, 2020

Security Bulletin ID SB2020030621
CSH Severity
High
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Buffer overflow (CVE-ID: CVE-2020-10188)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary involving the netclear and nextitem functions within the utility.c in telnetd daemon from netkit telnet. A remote attacker can end specially crafted data to the telnetd daemon, trigger a boundary error and execute arbitrary code on the target system.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References