CVE-2020-10188

Public on 2020-05-05
Modified on 2020-06-26
Description
A vulnerability was found where incorrect bounds checks in the telnet server's (telnetd) handling of short writes and urgent data, could lead to information disclosure and corruption of heap data. An unauthenticated remote attacker could exploit these bugs by sending specially crafted telnet packets to achieve arbitrary code execution in the telnet server.
Severity
Important
CVSS v3 Base Score
9.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 telnet 2020-05-05 01:20 ALAS2-2020-1422
Amazon Linux 1 telnet 2020-06-23 06:42 ALAS-2020-1387

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C
NVD CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H