Vulnerability CVE-2020-12118
Published: 2020-04-23   Modified: 2020-04-24

Description:
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.

Type:

CWE-276

 (Incorrect Default Permissions)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.4/10
4.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Binance -> Tss-lib 

 References:
https://github.com/binance-chain/tss-lib/pull/89
https://github.com/binance-chain/tss-lib/releases/tag/v1.2.0
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