CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.9 | $5k-$25k | 0.00 |
A vulnerability, which was classified as critical, has been found in Cisco IOS 12.1(19) (Router Operating System). Affected by this issue is some unknown processing of the component VLAN Trunking Protocol. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Heap-based buffer overflow in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to execute arbitrary code via a long VLAN name in a VTP type 2 summary advertisement.
The bug was discovered 09/13/2006. The weakness was released 09/13/2006 by FX with Phenoelit as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is handled as CVE-2006-4776 since 09/13/2006. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/08/2019).
It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at X-Force (28927). Entries connected to this vulnerability are available at 2539, 2538, 2541 and 2540.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.9
VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
09/13/2006 🔍09/13/2006 🔍
09/13/2006 🔍
09/13/2006 🔍
09/13/2006 🔍
09/13/2006 🔍
09/13/2006 🔍
09/14/2006 🔍
09/14/2006 🔍
09/19/2006 🔍
03/12/2015 🔍
07/08/2019 🔍
Sources
Vendor: cisco.comAdvisory: kb.cert.org
Researcher: FX
Organization: Phenoelit
Status: Confirmed
CVE: CVE-2006-4776 (🔍)
OVAL: 🔍
X-Force: 28927
SecurityTracker: 1016843
Vulnerability Center: 12726 - [cisco-sr-20060913-vtp] Cisco IOS 12.1(19) VTP Code Execution Via VTP Type 2 Summary Advertisement, High
SecurityFocus: 19998 - Cisco IOS Multiple VLAN Trunking Protocol Vulnerabilities
Secunia: 21896 - Cisco IOS VTP Multiple Vulnerabilities, Moderately Critical
OSVDB: 28777 - Cisco IOS VTP VLAN Name Overflow
Vupen: ADV-2006-3600
See also: 🔍
Entry
Created: 03/12/2015 15:51Updated: 07/08/2019 16:28
Changes: 03/12/2015 15:51 (68), 07/08/2019 16:28 (8)
Complete: 🔍
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