Barrier up to 2.3.3 TCP Connection resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Barrier up to 2.3.3 and classified as problematic. This issue affects some unknown processing of the component TCP Connection Handler. The manipulation leads to resource consumption. This vulnerability is referenced as CVE-2021-42075. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Barrier up to 2.3.3. It has been rated as problematic. This issue affects an unknown part of the component TCP Connection Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.

The weakness was published 11/08/2021. The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2021-42075 since 10/07/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 2.3.4 eliminates this vulnerability. The upgrade is hosted for download at github.com.

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

Productinfo

Name

Version

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: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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: Barrier 2.3.4

Timelineinfo

10/07/2021 🔍
11/08/2021 +32 days 🔍
11/08/2021 +0 days 🔍
11/10/2021 +2 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Confirmed

CVE: CVE-2021-42075 (🔍)
GCVE (CVE): GCVE-0-2021-42075
GCVE (VulDB): GCVE-100-186245

Entryinfo

Created: 11/08/2021 08:08
Updated: 11/10/2021 18:13
Changes: 11/08/2021 08:08 (39), 11/10/2021 18:13 (1)
Complete: 🔍
Cache ID: 216::103

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