CVE-2022-2582

2022-12-2722:15:12

CWE-326

web.nvd.nist.gov

aws

crypto

sdk

vulnerability

plaintext

hash

metadata

nvd

cve-2022-2582

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

AI Score

4.3

Confidence

High

EPSS

0.001

Percentile

21.8%

JSON

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.

Affected configurations

Nvd

Node

amazonaws_software_development_kitRange<1.34.0go

VendorProductVersionCPE
amazonaws_software_development_kit*cpe:2.3:a:amazon:aws_software_development_kit:*:*:*:*:*:go:*:*

Vendor	Product	Version	CPE
amazon	aws_software_development_kit	*	cpe:2.3:a:amazon:aws_software_development_kit::::::go::*

CNA Affected

[
  {
    "vendor": "github.com/aws/aws-sdk-go",
    "product": "github.com/aws/aws-sdk-go/service/s3/s3crypto",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "github.com/aws/aws-sdk-go/service/s3/s3crypto",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.34.0",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "encodeMeta"
      },
      {
        "name": "DecryptionClient.GetObject"
      },
      {
        "name": "DecryptionClient.GetObjectWithContext"
      },
      {
        "name": "EncryptionClient.PutObject"
      },
      {
        "name": "EncryptionClient.PutObjectWithContext"
      },
      {
        "name": "S3LoadStrategy.Load"
      },
      {
        "name": "S3SaveStrategy.Save"
      },
      {
        "name": "defaultV2LoadStrategy.Load"
      },
      {
        "name": "kmsKeyHandler.DecryptKey"
      },
      {
        "name": "kmsKeyHandler.DecryptKeyWithContext"
      },
      {
        "name": "kmsKeyHandler.GenerateCipherData"
      },
      {
        "name": "kmsKeyHandler.GenerateCipherDataWithContext"
      }
    ],
    "defaultStatus": "unaffected"
  }
]