A weak robustness vulnerability exists in the AWS Encryption SDKs for Java, Python, C and Javalcript prior to versions 2.0.0. Due to the non-committing property of AES-GCM (and other AEAD ciphers such as AES-GCM-SIV or (X)ChaCha20Poly1305) used by the SDKs to encrypt messages, an attacker can craft a unique cyphertext which will decrypt to multiple different results, and becomes especially relevant in a multi-recipient setting. We recommend users update their SDK to 2.0.0 or later.
References
| Link | Resource |
|---|---|
| https://aws.amazon.com/blogs/security/improved-client-side-encryption-explicit-keyids-and-key-commitment/ | Vendor Advisory |
| https://github.com/google/security-research/security/advisories/GHSA-wqgp-vphw-hphf | Exploit Mitigation Third Party Advisory |
| https://aws.amazon.com/blogs/security/improved-client-side-encryption-explicit-keyids-and-key-commitment/ | Vendor Advisory |
| https://github.com/google/security-research/security/advisories/GHSA-wqgp-vphw-hphf | Exploit Mitigation Third Party Advisory |
Configurations
History
21 Nov 2024, 05:39
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : 5.5
v3 : 4.8 |
| References | () https://aws.amazon.com/blogs/security/improved-client-side-encryption-explicit-keyids-and-key-commitment/ - Vendor Advisory | |
| References | () https://github.com/google/security-research/security/advisories/GHSA-wqgp-vphw-hphf - Exploit, Mitigation, Third Party Advisory |
Information
Published : 2020-11-16 12:15
Updated : 2024-11-21 05:39
NVD link : CVE-2020-8897
Mitre link : CVE-2020-8897
CVE.ORG link : CVE-2020-8897
JSON object : View
Products Affected
amazon
- aws_encryption_sdk