28777 : Cisco IOS VTP VLAN Name Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
5	421	over 5 years ago	about 1 year ago	2 times	90%

Timeline

Disclosure Date
2006-09-13

Keywords

CSCsd34855, CSCei54611

Description

A remote overflow exists in IOS. The VTP client and server fail to validate VTP frames resulting in a heap overflow. With a specially crafted request including a VLAN name longer than 100 bytes, an attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

Upgrade to version recommended by Cisco TAC. An upgrade is required as there are no known workarounds.

Products

Cisco Systems, Inc.

IOS

12.1(19)

References

Security Tracker: 1016843
Bugtraq ID: 19998
CVE ID: 2006-4776 (see also: NVD)
Secunia Advisory ID: 21896
SCIP VulDB ID: 2538
Related OSVDB ID: 28775 28776
ISS X-Force ID: 28927
CERT VU: 542108
VUPEN Advisory: ADV-2006-3600 ADV-2006-3601
Keyword: CSCsd34855,CSCei54611
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2006-09/0205.html
http://archives.neohapsis.com/archives/bugtraq/2006-09/0219.html
Vendor Specific Advisory URL: http://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtml
Other Advisory URL: http://www.phenoelit.de/stuff/CiscoVTP.txt

Credit

FX - fxphenoelit.de - Phenoelit Group

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2006-09-18 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

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