CVE-2022-2879

2022-10-1415:15:17

CWE-770

[email protected]

web.nvd.nist.gov

319

cve-2022-2879

unbounded memory allocation

reader.read

resource exhaustion

panic

nvd

7.5 High

CVSS3

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

7.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

58.9%

JSON

Reader.Read does not set a limit on the maximum size of file headers. A maliciously crafted archive could cause Read to allocate unbounded amounts of memory, potentially causing resource exhaustion or panics. After fix, Reader.Read limits the maximum size of header blocks to 1 MiB.

Affected configurations

NVD

Node

golanggoRange<1.18.7

golanggoRange1.19.0–1.19.2

CPENameOperatorVersion
golang:gogolang golt1.18.7
golang:gogolang golt1.19.2

CPE	Name	Operator	Version
golang:go	golang go	lt	1.18.7
golang:go	golang go	lt	1.19.2

CNA Affected

[
  {
    "vendor": "Go standard library",
    "product": "archive/tar",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "archive/tar",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.18.7",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.19.0-0",
        "lessThan": "1.19.2",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "Reader.next"
      },
      {
        "name": "parsePAX"
      },
      {
        "name": "Writer.writePAXHeader"
      },
      {
        "name": "Reader.Next"
      },
      {
        "name": "Writer.WriteHeader"
      }
    ],
    "defaultStatus": "unaffected"
  }
]