otp-generator up to 2.x One-Time Password random values

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 (≈)
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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.
5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in otp-generator up to 2.x and classified as problematic. Affected is an unknown function of the component One-Time Password Handler. Executing a manipulation can lead to random values. This vulnerability is handled as CVE-2021-23451. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in otp-generator up to 2.x and classified as problematic. This vulnerability affects an unknown code of the component One-Time Password Handler. The manipulation with an unknown input leads to a random values vulnerability. The CWE definition for the vulnerability is CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. As an impact it is known to affect confidentiality. CVE summarizes:

The package otp-generator before 3.0.0 are vulnerable to Insecure Randomness due to insecure generation of random one-time passwords, which may allow a brute-force attack.

The weakness was released 07/26/2022 as 12. The advisory is available at github.com. This vulnerability was named CVE-2021-23451 since 01/08/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

Upgrading to version 3.0.0 eliminates this vulnerability. Applying the patch b27de1ce439ae7f533cec26677e9698671275b70 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.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (Snyk): 🔍

CVSSv2info

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

Exploitinginfo

Class: Random values
CWE: CWE-330 / 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: otp-generator 3.0.0
Patch: b27de1ce439ae7f533cec26677e9698671275b70

Timelineinfo

01/08/2021 🔍
07/26/2022 +563 days 🔍
07/26/2022 +0 days 🔍
07/26/2022 +0 days 🔍

Sourcesinfo

Advisory: 12
Status: Confirmed

CVE: CVE-2021-23451 (🔍)
GCVE (CVE): GCVE-0-2021-23451
GCVE (VulDB): GCVE-100-205006

Entryinfo

Created: 07/26/2022 14:04
Changes: 07/26/2022 14:04 (52)
Complete: 🔍
Cache ID: 216::103

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