CVE-2024-34156

2024-09-0621:15:12

web.nvd.nist.gov

162

decoder error

stack exhaustion

cve-2024-34156

follow-up

nested structures

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.6

Confidence

High

EPSS

0.002

Percentile

56.4%

JSON

Calling Decoder.Decode on a message which contains deeply nested structures can cause a panic due to stack exhaustion. This is a follow-up to CVE-2022-30635.

CNA Affected

[
  {
    "vendor": "Go standard library",
    "product": "encoding/gob",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "encoding/gob",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.22.7",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.23.0-0",
        "lessThan": "1.23.1",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "Decoder.decIgnoreOpFor"
      },
      {
        "name": "Decoder.Decode"
      },
      {
        "name": "Decoder.DecodeValue"
      }
    ],
    "defaultStatus": "unaffected"
  }
]