CVE-2022-2879

2022-10-1415:15:17

CWE-770

web.nvd.nist.gov

328

cve-2022-2879

unbounded memory allocation

reader.read

resource exhaustion

panic

nvd

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

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

VendorProductVersionCPE
golanggo*cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
golang	go	*	cpe:2.3:a:golang:go::::::::

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"
  }
]