Bitcoin Core up to 24.0 Inventory-to-send Queue denial of service

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.
5.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Bitcoin Core up to 24.0. Affected is an unknown function of the component Inventory-to-send Queue. Executing a manipulation can lead to denial of service. The identification of this vulnerability is CVE-2023-33297. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Bitcoin Core up to 24.0. It has been declared as problematic. This vulnerability affects an unknown part of the component Inventory-to-send Queue. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 2023.

The weakness was shared 05/22/2023 as 27586. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-33297 since 05/22/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 24.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-37460). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Core 24.1
Patch: github.com

Timelineinfo

05/22/2023 🔍
05/22/2023 +0 days 🔍
05/22/2023 +0 days 🔍
01/04/2026 +958 days 🔍

Sourcesinfo

Advisory: 27586
Status: Confirmed

CVE: CVE-2023-33297 (🔍)
GCVE (CVE): GCVE-0-2023-33297
GCVE (VulDB): GCVE-100-229624
EUVD: 🔍

Entryinfo

Created: 05/22/2023 13:14
Updated: 01/04/2026 06:15
Changes: 05/22/2023 13:14 (43), 06/15/2023 14:39 (11), 01/04/2026 06:15 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!