VDB-220077 · CVE-2023-23940 · GHSA-626q-v9j4-mcp4

OpenZeppelin Contracts up to 0.6.0 signature verification

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-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in OpenZeppelin Contracts up to 0.6.0. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in signature verification. This vulnerability is reported as CVE-2023-23940. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in OpenZeppelin Contracts up to 0.6.0. This affects an unknown code. The manipulation with an unknown input leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 02/03/2023. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-23940 since 01/19/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 0.6.1 eliminates this vulnerability.

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Productinfo

Vendor

OpenZeppelin

Name

Contracts

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 6.4
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Contracts 0.6.1
Patch: github.com

Timelineinfo

01/19/2023 🔍
02/03/2023 +15 days 🔍
02/03/2023 +0 days 🔍
03/04/2023 +29 days 🔍

Sourcesinfo

Advisory: GHSA-626q-v9j4-mcp4
Status: Confirmed

CVE: CVE-2023-23940 (🔍)
GCVE (CVE): GCVE-0-2023-23940
GCVE (VulDB): GCVE-100-220077

Entryinfo

Created: 02/03/2023 01:56
Updated: 03/04/2023 10:23
Changes: 02/03/2023 01:56 (37), 03/04/2023 10:17 (3), 03/04/2023 10:23 (21)
Complete: 🔍
Cache ID: 216::103