Vulnerability Assessment & Network Security Forums



If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Gain root remotely >> TESO in.telnetd buffer overflow


Vulnerability Assessment Details

TESO in.telnetd buffer overflow

Vulnerability Assessment Summary
Attempts to overflow the Telnet server buffer

Detailed Explanation for this Vulnerability Assessment

The Telnet server does not return an expected number of replies
when it receives a long sequence of 'Are You There' commands.
This probably means it overflows one of its internal buffers and
crashes. It is likely a possible hacker could abuse this bug to gain
control over the remote host's superuser.

For more information, see:
http://www.team-teso.net/advisories/teso-advisory-011.tar.gz

Solution: Comment out the 'telnet' line in /etc/inetd.conf.
Network Security Threat Level: High

Networks Security ID: 3064

Vulnerability Assessment Copyright: This script is Copyright (C) 2001 Pavel Kankovsky

Cables, Connectors

Dell R620 Dual E5-2670 v2 10C 2.5GHz 256GB 1600MHz 4x 1TB H710 8 Bay RPS
$2332.0
Dell R620 Dual E5-2670 v2 10C 2.5GHz 256GB 1600MHz 4x 1TB H710 8 Bay RPS pictureAlienware 15R2 (1TB, Intel Core i5 6th Gen., 3.2GHz, 8GB) Laptop w charger
$1500.0
Alienware 15R2 (1TB, Intel Core i5 6th Gen., 3.2GHz, 8GB)  Laptop w charger pictureDELL PowerEdge R710 Server 2xSix-Core Xeon 2.66GHz + 72GB RAM + 8x1TB 7.2K SAS
$818.0
DELL PowerEdge R710 Server 2xSix-Core Xeon 2.66GHz + 72GB RAM + 8x1TB 7.2K SAS pictureDell PowerEdge R620 Dual E5-2697 v2 12C 2.7GHz 192GB 8x 1TB SAS H710 8 Bay RPS
$2264.0
Dell PowerEdge R620 Dual E5-2697 v2 12C 2.7GHz 192GB 8x 1TB SAS H710 8 Bay RPS picture


Discussions

No Discussions have been posted on this vulnerability.