VDB-156840 · CVE-2020-11900 · GCVE-0-2020-11900

Treck TCP-IP Stack prior 6.0.1.41 IPv4 Tunneling double free

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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Treck TCP-IP Stack. This affects an unknown part of the component IPv4 Tunneling. The manipulation results in double free. This vulnerability is known as CVE-2020-11900. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Treck TCP-IP Stack. It has been classified as critical. Affected is an unknown code block of the component IPv4 Tunneling. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The Treck TCP/IP stack before 6.0.1.41 has an IPv4 tunneling Double Free.

The weakness was published 06/17/2020 as cisco-sa-treck-ip-stack-JyBQ5G as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2020-11900 since 04/19/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 6.0.1.41 eliminates this vulnerability.

Similar entries are available at VDB-156836, VDB-156837, VDB-156838 and VDB-156839. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Treck

Name

TCP-IP Stack

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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 6.0.1.41

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-2020-11900 (🔍)
GCVE (CVE): GCVE-0-2020-11900
GCVE (VulDB): GCVE-100-156840
See also: 🔍

Entryinfo

Created: 06/18/2020 08:17
Updated: 10/24/2020 21:05
Changes: 06/18/2020 08:17 (41), 06/18/2020 08:22 (17), 10/24/2020 21:05 (1)
Complete: 🔍
Cache ID: 216::103

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