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 a shell remotely >> /bin/login overflow exploitation


Vulnerability Assessment Details

/bin/login overflow exploitation

Vulnerability Assessment Summary
Attempts to log into the remote host

Detailed Explanation for this Vulnerability Assessment

Summary :

It is possible to execute arbitrary commands on the remote host.

Description :

The remote implementation of the /bin/login utility, used when authenticating
a user via telnet or rsh contains an overflow which permits a possible hacker to
gain a shell on this host, without even sending a shell code.

A possible hacker may use this flaw to log in as any user (except root) on the
remote host.

Solution :

http://www.cert.org/advisories/CA-2001-34.html

Network Security Threat Level:

Critical / CVSS Base Score : 10
(AV:R/AC:L/Au:NR/C:C/A:C/I:C/B:N)

Networks Security ID: 3681, 5848

Vulnerability Assessment Copyright: This script is Copyright (C) 2002 - 2006 Tenable Network Security, Inc

Cables, Connectors

NetGear ProSafe 16 PortGigabit Switch Model GS116 Auto Uplink w/ Power Supply
$39.99
NetGear ProSafe 16 PortGigabit Switch Model GS116 Auto Uplink w/ Power Supply pictureNetwork Switch Cable 120222-01 Rev B (Molex) Infiniband 1X-IB to 1X-IB, 12" Long
$15.0
Network Switch Cable 120222-01 Rev B (Molex) Infiniband 1X-IB to 1X-IB, 123COM 3CR17280-72 Switch 5500G OSNM Open Services Module with 512MB ram, HDD
$79.0
3COM 3CR17280-72 Switch 5500G OSNM Open Services Module with 512MB ram, HDD pictureTP-Link 24-Port Fast Ethernet Desktop Switch TL-SF1024M
$53.56
TP-Link 24-Port Fast Ethernet Desktop Switch TL-SF1024M picture


Discussions

No Discussions have been posted on this vulnerability.