|
Cisco IOS Authentication Proxy for FTP/Telnet Buffer Overflow
|
|
|
|
|
Secunia Advisory:
|
SA16719
|
|
|
Release Date:
|
2005-09-08
|
|
Last Update:
|
2005-09-27
|
|
|
Critical:
|
Moderately critical
|
|
Impact:
|
DoS
System access
|
|
Where:
|
From local network
|
|
Solution Status:
|
Vendor Patch
|
|
| OS: | Cisco IOS 12.x
Cisco IOS R12.x
|
|
| | CVE reference: | CVE-2005-2841 (Secunia mirror)
|
|
|
Want to know the next time vulnerabilities are fixed in this product?
- Companies can be alerted via email and SMS! |
|
|
Description:
A vulnerability has been reported in Cisco IOS, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.
The vulnerability is caused due to a boundary error when the Authentication Proxy FTP/Telnet is processing user authentication credentials. This can be exploited to cause a buffer overflow.
Successful exploitation causes a reload of the device and may allow arbitrary code execution, but requires that Authentication Proxy for FTP and/or Telnet Sessions is configured and applied to an active interface.
The vulnerability is reported in the following versions:
* 12.2ZH and 12.2ZL based trains
* 12.3 based trains
* 12.3T based trains
* 12.4 based trains
* 12.4T based trains
Solution:
Fixes are available (see patch matrix in vendor advisory).
http://www.cisco.com/warp/public/707/cisco-sa-20050907-auth_proxy.shtml#software
Provided and/or discovered by:
Reported by vendor.
Changelog:
2005-09-27: Added CVE reference.
Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sa-20050907-auth_proxy.shtml
Other References:
US-CERT VU#236045:
http://www.kb.cert.org/vuls/id/236045
|
|
|
|
|
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
|
|
|
|
61 Related Secunia Security Advisories, displaying 10
|
|
|
1. Cisco Products DNS Cache Poisoning Vulnerability
|
|
2. Cisco Products SNMPv3 Two Vulnerabilities
|
|
3. Cisco IOS SSH Server Denial of Service
|
|
4. Cisco IOS Denial of Service Vulnerability
|
|
5. Cisco IOS Multiple Vulnerabilities
|
|
6. Cisco Products EAP Denial of Service Vulnerability
|
|
7. Cisco IOS Line Printer Daemon Buffer Overflow Vulnerability
|
|
8. Cisco IOS Regular Expressions Denial of Service
|
|
9. Cisco IOS Voice Service Multiple Protocol Handling Vulnerabilities
|
|
10. Cisco IOS Secure Copy Security Bypass Vulnerability
|
Show all related advisories
|
|
|
Send Feedback to Secunia
|
|
If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.
Ideas, suggestions, and other feedback are most welcome.
|
|
|
|
