GHSA-6jvc-q2x7-pchv

AWS S3 Crypto SDK sends an unencrypted hash of the plaintext alongside the ciphertext as a metadata field

Source: GitHub Advisory Database (reviewed) Moderate CVE-2022-2582

Packages

Ecosystem	Package	Affected	Fixed in
Go	github.com/aws/aws-sdk-go	< 1.34.0	1.34.0

Details

As written in the advisory (Markdown source, shown as plain text).

The AWS S3 Crypto SDK sends an unencrypted hash of the plaintext alongside the ciphertext as a metadata field. This hash can be used to brute force the plaintext, if the hash is readable to the attacker. AWS now blocks this metadata field, but older SDK versions still send it.

References

External links from the advisory. They lead to third-party sites.

https://github.com/google/security-research/security/advisories/GHSA-76wf-9vgp-pj7w web
https://nvd.nist.gov/vuln/detail/CVE-2022-2582 advisory
https://github.com/aws/aws-sdk-go/commit/35fa6ddf45c061e0f08d3a3b5119f8f4da38f6d1 web
https://github.com/aws/aws-sdk-go package
https://pkg.go.dev/vuln/GO-2022-0391 web