coTURN up to 4.5.1.2 STUN/TURN Response initialization

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in coTURN up to 4.5.1.2 and classified as problematic. The impacted element is an unknown function of the component STUN/TURN Handler. Performing a manipulation as part of Response results in initialization. This vulnerability is identified as CVE-2020-4067. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in coTURN up to 4.5.1.2. It has been classified as problematic. This affects an unknown part of the component STUN/TURN Handler. The manipulation as part of a Response leads to a initialization vulnerability. CWE is classifying the issue as CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. This is going to have an impact on confidentiality. The summary by CVE is:

In coturn before version 4.5.1.3, there is an issue whereby STUN/TURN response buffer is not initialized properly. There is a leak of information between different client connections. One client (an attacker) could use their connection to intelligently query coturn to get interesting bytes in the padding bytes from the connection of another client. This has been fixed in 4.5.1.3.

The weakness was released 06/29/2020 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2020-4067 since 12/30/2019. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 4.5.1.3 eliminates this vulnerability.

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Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.7
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Initialization
CWE: CWE-665
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: coTURN 4.5.1.3

Timelineinfo

12/30/2019 🔍
06/29/2020 +182 days 🔍
06/30/2020 +1 days 🔍
10/28/2020 +120 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-4067 (🔍)
GCVE (CVE): GCVE-0-2020-4067
GCVE (VulDB): GCVE-100-157461

Entryinfo

Created: 06/30/2020 09:07
Updated: 10/28/2020 07:08
Changes: 06/30/2020 09:07 (39), 06/30/2020 09:12 (11), 10/28/2020 07:02 (1), 10/28/2020 07:08 (1)
Complete: 🔍
Cache ID: 216::103

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