VDB-156845 · CVE-2020-11905 · GCVE-0-2020-11905

Treck TCP-IP Stack prior 6.0.1.66 DHCPv6 out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Treck TCP-IP Stack and classified as problematic. The impacted element is an unknown function of the component DHCPv6 Handler. The manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2020-11905. The attack needs to be initiated within the local network. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Treck TCP-IP Stack. This issue affects an unknown part of the component DHCPv6 Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.

The weakness was published 06/17/2020 as cisco-sa-treck-ip-stack-JyBQ5G as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2020-11905 since 04/19/2020. The exploitation is known to be easy. The attack needs to be done within the local network. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 6.0.1.66 eliminates this vulnerability.

Similar entries are available at VDB-156836, VDB-156837, VDB-156838 and VDB-156839. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Treck

Name

TCP-IP Stack

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TCP-IP Stack 6.0.1.66

Timelineinfo

04/19/2020 🔍
06/17/2020 +59 days 🔍
06/18/2020 +1 days 🔍
10/24/2020 +128 days 🔍

Sourcesinfo

Advisory: cisco-sa-treck-ip-stack-JyBQ5G
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-11905 (🔍)
GCVE (CVE): GCVE-0-2020-11905
GCVE (VulDB): GCVE-100-156845
See also: 🔍

Entryinfo

Created: 06/18/2020 08:18
Updated: 10/24/2020 21:33
Changes: 06/18/2020 08:18 (41), 06/18/2020 08:23 (17), 10/24/2020 21:33 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.