ckb Crate up to 0.39.x on Rust Nervos CKB Blockchain get_block_template Privilege Escalation

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.
5.3$0-$5k0.00

A vulnerability classified as problematic has been found in ckb Crate up to 0.39.x on Rust (Rust Package). Affected is the function get_block_template of the component Nervos CKB Blockchain Handler. The impact remains unknown.

The weakness was disclosed 12/27/2021 as RUSTSEC-2021-0107. The advisory is available at rustsec.org. This vulnerability is traded as CVE-2021-45698 since 12/26/2021. Technical details are known, but there is no available exploit.

Upgrading to version 0.40.0 eliminates this vulnerability.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Privilege Escalation
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Partially

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: ckb Crate 0.40.0

Timelineinfo

12/26/2021 🔍
12/27/2021 +1 days 🔍
12/27/2021 +0 days 🔍
12/30/2021 +3 days 🔍

Sourcesinfo

Advisory: RUSTSEC-2021-0107
Status: Confirmed

CVE: CVE-2021-45698 (🔍)

Entryinfo

Created: 12/27/2021 08:46
Updated: 12/30/2021 14:10
Changes: 12/27/2021 08:46 (40), 12/30/2021 14:10 (1)
Complete: 🔍

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