Vulnerabilities > CVE-2006-0486 - Local Security vulnerability in Cisco IOS 12.2(25)S/12.3T/12.4
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
PARTIAL Availability impact
PARTIAL Summary
Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12.3T based trains, and 12.4 based trains reuse a Tcl Shell process across login sessions of different local users on the same terminal if the first user does not use tclquit before exiting, which may cause subsequent local users to execute unintended commands or bypass AAA command authorization checks, aka Bug ID CSCef77770.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
OS | 3 |
Nessus
NASL family | CISCO |
NASL id | CSCEH73049.NASL |
description | The remote host is a CISCO router containing a version of IOS that is vulnerable to a remote AAA command authorization bypass attack. The remote version of IOS does not enforce AAA command authorization checks for commands etnered in the TCL shell. An attacker with a shell access on the remote route could gain elevated privileges on the remote device. |
last seen | 2020-06-01 |
modified | 2020-06-02 |
plugin id | 20808 |
published | 2006-01-25 |
reporter | This script is Copyright (C) 2006-2018 Tenable Network Security, Inc. |
source | https://www.tenable.com/plugins/nessus/20808 |
title | Cisco IOS TCLSH AAA Command Authorization Bypass (CSCeh73049) |
Oval
accepted | 2009-12-14T04:00:04.606-05:00 | ||||||||||||
class | vulnerability | ||||||||||||
contributors |
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description | Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12.3T based trains, and 12.4 based trains reuse a Tcl Shell process across login sessions of different local users on the same terminal if the first user does not use tclquit before exiting, which may cause subsequent local users to execute unintended commands or bypass AAA command authorization checks, aka Bug ID CSCef77770. | ||||||||||||
family | ios | ||||||||||||
id | oval:org.mitre.oval:def:4905 | ||||||||||||
status | accepted | ||||||||||||
submitted | 2008-05-26T11:06:36.000-04:00 | ||||||||||||
title | Cisco IOS AAA Command Authorization Bypass via TCL Shell Reuse Vulnerability | ||||||||||||
version | 4 |
References
- http://secunia.com/advisories/18613
- http://securitytracker.com/id?1015543
- http://www.cisco.com/warp/public/707/cisco-response-20060125-aaatcl.shtml
- http://www.osvdb.org/22723
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24308
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4905