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>> Cisco IOS HTTP Server HTML Injection and Cross Site Scripting Issues

Title : Cisco IOS HTTP Server HTML Injection and Cross Site Scripting Issues
VUPEN ID : VUPEN/ADV-2005-2657
CVE ID : CVE-2005-3921
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2005-11-29

Advisory Details

 
  Description
  Affected Products
  Solution
  References
Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

Two vulnerabilities were identified in Cisco IOS, which could be exploited by attackers to inject malicious HTML code.

The fisrt flaw is due to an input validation error in the "show" commands of the HTTP Server that do not properly validate certain data before being displayed in the web interface, which may be exploited by remote attackers to inject malicious HTML code that will execute arbitrary commands on the device (e.g. change the "ENABLE" password), including the possibility of gaining full administrative privileges on the device which is dependent on the privilege level of the authenticated user [...]

References

http://www.vupen.com/english/advisories/2005/2657
http://www.cisco.com/warp/public/707/cisco-sa-20051201-http.shtml
http://www.infohacking.com/INFOHACKING_RESEARCH/Our_Advisories/cisco/index.html
http://www.frsirt.com/english/reference/4657

Credits

Vulnerabilities reported by Hugo Vazquez Carames and Digitalmunitions

ChangeLog

2005-11-29 : Initial release
2005-12-01 : Updated Description, Solution and References
2006-01-17 : Additional vulnerability reported by iDEFENSE

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