Vulnerability Description
The tough library (Rust/crates.io) prior to version 0.7.1 does not properly verify the threshold of cryptographic signatures. It allows an attacker to duplicate a valid signature in order to circumvent TUF requiring a minimum threshold of unique signatures before the metadata is considered valid. A fix is available in version 0.7.1. CVE-2020-6174 is assigned to the same vulnerability in the TUF reference implementation.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amazon | Tough | < 0.7.1 |
Related Weaknesses (CWE)
References
- https://crates.io/crates/toughThird Party Advisory
- https://github.com/awslabs/tough/security/advisories/GHSA-5q2r-92f9-4m49Third Party Advisory
- https://github.com/theupdateframework/tuf/commit/2977188139d065ff3356c3cb4aec60cPatchThird Party Advisory
- https://github.com/theupdateframework/tuf/pull/974Issue TrackingPatchThird Party Advisory
- https://crates.io/crates/toughThird Party Advisory
- https://github.com/awslabs/tough/security/advisories/GHSA-5q2r-92f9-4m49Third Party Advisory
- https://github.com/theupdateframework/tuf/commit/2977188139d065ff3356c3cb4aec60cPatchThird Party Advisory
- https://github.com/theupdateframework/tuf/pull/974Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2020-15093?
CVE-2020-15093 is a vulnerability with a CVSS score of 8.6 (HIGH). The tough library (Rust/crates.io) prior to version 0.7.1 does not properly verify the threshold of cryptographic signatures. It allows an attacker to duplicate a valid signature in order to circumven...
How severe is CVE-2020-15093?
CVE-2020-15093 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-15093?
Check the references section above for vendor advisories and patch information. Affected products include: Amazon Tough.