Usage of weak hashing library (SHA-1)

Rule ID: javascript_lang_weak_hash_sha1
Languages: javascript
Source: weak_hash_sha1.yml

Description

Using a weak hashing library like SHA-1 increases the risk of data breaches. SHA-1 in particular is vulnerable to collision attacks, where two different inputs can produce the same hash value, compromising data integrity and security.

Remediations

Do not use SHA-1 for hashing. It's no longer considered secure against well-funded attackers.
```
const hash = crypto.createHmac("sha1", key).update(user.password); // unsafe
```
Do use stronger hashing algorithms like SHA-256 or SHA-3 for enhanced security.
```
const hash = crypto.createHmac("sha256", key).update(user.password);
```

References

NodeJS Crypto Module

Associated CWE

CWE-328: Use of Weak Hash

OWASP Top 10

A02:2021 - Cryptographic Failures

Configuration

To skip this rule during a scan, use the following flag

bearer scan /path/to/your-project/ --skip-rule=javascript_lang_weak_hash_sha1

To run only this rule during a scan, use the following flag

bearer scan /path/to/your-project/ --only-rule=javascript_lang_weak_hash_sha1