Binance tss-lib up to 1.1.x keygen Protocol h1/h2 default permission

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Binance tss-lib up to 1.1.x. Affected by this issue is an unknown functionality of the component keygen Protocol Handler. The manipulation of the argument h1/h2 as part of a Parameter leads to a default permission vulnerability. Using CWE to declare the problem leads to CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. Impacted is confidentiality. CVE summarizes:

The keygen protocol implementation in Binance tss-lib before 1.2.0 allows attackers to generate crafted h1 and h2 parameters in order to compromise a signing round or obtain sensitive information from other parties.

The weakness was released 04/23/2020. This vulnerability is handled as CVE-2020-12118 since 04/23/2020. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1222.

Upgrading to version 1.2.0 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

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: tss-lib 1.2.0
Patch: github.com

Timelineinfo

04/23/2020 🔍
04/23/2020 +0 days 🔍
04/24/2020 +1 days 🔍
06/02/2024 +1500 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-12118 (🔍)
GCVE (CVE): GCVE-0-2020-12118
GCVE (VulDB): GCVE-100-154316

Entryinfo

Created: 04/24/2020 07:42 AM
Updated: 06/02/2024 12:14 PM
Changes: 04/24/2020 07:42 AM (40), 04/24/2020 07:47 AM (17), 06/02/2024 12:14 PM (20)
Complete: 🔍
Cache ID: 18:A5D:40

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