CVE-2020-12118 Incorrect Default Permissions in Binance tss-lib
Attackers can compromise signing rounds or obtain sensitive information by crafting parameters in the keygen protocol of the Binance tss-lib library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-12118?
CVE-2020-12118 is a high-severity vulnerability in n/a, published on 23 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-276
Which versions are affected by CVE-2020-12118?
3 open source packages ship an affected version, including github.com/binance-chain/tss-lib. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/binance-chain/tss-lib Go | All versions | 1.2.0 |
github.com/binance-chain/tss-lib Go | All versions | 1.2.0 |
github.com/binance-chain/tss-lib Go | All versions | 1.2.0 |
Products include Binance Tss-Lib.
How do I fix CVE-2020-12118?
Upgrade github.com/binance-chain/tss-lib to 1.2.0 or later.
Is CVE-2020-12118 being exploited?
There is no known exploitation of CVE-2020-12118 in the wild and no public exploit code.
Sources
Also known as GHSA-399h-cmvp-qgx5, GO-2022-0769.