Briar up to 1.4.21 Bramble Synchronisation Protocol denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Briar up to 1.4.21. Affected is an unknown function of the component Bramble Synchronisation Protocol Handler. The manipulation results in denial of service. This vulnerability is identified as CVE-2023-33980. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Briar up to 1.4.21. It has been classified as problematic. Affected is an unknown function of the component Bramble Synchronisation Protocol Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Bramble Synchronisation Protocol (BSP) in Briar before 1.4.22 allows attackers to cause a denial of service (repeated application crashes) via a series of long messages to a contact.

The weakness was released 05/24/2023. The advisory is available at briarproject.org. This vulnerability is traded as CVE-2023-33980 since 05/24/2023. The technical details are unknown and an exploit is not available.

Upgrading to version 1.4.22 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-38104). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: 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: Briar 1.4.22

Timelineinfo

05/24/2023 🔍
05/24/2023 +0 days 🔍
05/24/2023 +0 days 🔍
01/06/2026 +958 days 🔍

Sourcesinfo

Advisory: briarproject.org
Status: Confirmed

CVE: CVE-2023-33980 (🔍)
GCVE (CVE): GCVE-0-2023-33980
GCVE (VulDB): GCVE-100-229866
EUVD: 🔍

Entryinfo

Created: 05/24/2023 21:10
Updated: 01/06/2026 16:57
Changes: 05/24/2023 21:10 (39), 06/17/2023 10:19 (11), 01/16/2025 20:36 (26), 01/06/2026 16:57 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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