Improper Verification of Cryptographic Signature
Impact
The verifyWithMessage method of tEnvoyNaClSigningKey always returns true for any signature of a SHA-512 hash matching the SHA-512 hash of the message even if the signature is invalid.
Patches
Upgrade to v7.0.3 immediately to resolve this issue. Since the vulnerability lies within the verification method, the previous signatures are still valid. We highly recommend reverifying any signatures that were previously verified with the vulnerable verifyWithMessage method.
Workarounds
In tenvoy.js under the verifyWithMessage method definition within the tEnvoyNaClSigningKey class, ensure that the return statement call to this.verify ends in .verified. For example, the return statement should start with return this.verify(signed, password).verified && instead of return this.verify(signed, password) && .
For more information
If you have any questions or comments about this advisory:
- Open an issue in github.com/TogaTech/tEnvoy
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | tenvoy | < 7.0.3 | 7.0.3 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-347- Platform
- npm
- Package
tenvoy- Disclosed
- 28.06.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-7r96-8g3x-g36m - CC BY 4.0
Vulnerability history: tenvoy
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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