Briar up to 1.5.2 Bramble Handshake Protocol inadequate encryption

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Briar up to 1.5.2. The impacted element is an unknown function of the component Bramble Handshake Protocol Handler. Performing a manipulation results in an unknown weakness. This vulnerability was named CVE-2023-33982. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Briar up to 1.5.2. This affects an unknown code of the component Bramble Handshake Protocol Handler. CWE is classifying the issue as CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. This is going to have an impact on confidentiality. The summary by CVE is:

Bramble Handshake Protocol (BHP) in Briar before 1.5.3 is not forward secure: eavesdroppers can decrypt network traffic between two accounts if they later compromise both accounts. NOTE: the eavesdropping is typically impractical because BHP runs over an encrypted session that uses the Tor hidden service protocol.

The weakness was presented 05/24/2023. It is possible to read the advisory at briarproject.org. This vulnerability is uniquely identified as CVE-2023-33982 since 05/24/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

Upgrading to version 1.5.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-38106). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Inadequate encryption
CWE: CWE-326 / CWE-310
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 1.5.3

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-2023-33982 (🔍)
GCVE (CVE): GCVE-0-2023-33982
GCVE (VulDB): GCVE-100-229863
EUVD: 🔍

Entryinfo

Created: 05/24/2023 21:09
Updated: 01/06/2026 16:57
Changes: 05/24/2023 21:09 (37), 06/17/2023 10:08 (2), 01/16/2025 20:36 (35), 01/06/2026 16:57 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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